Toyoda Gosei and Sharp sign agreement on LED patents 28 Dec 09
Two Japan-based LED makers have cross-licensed each other's LED-related intellectual property. |
Lynk Labs awarded second AC LED technology patent 15 Dec 09
The second approved patent for 2009 of the company's pending portfolio covers a range of AC LED technology including devices, light engines, power supplies and lighting systems. |
Nichia files patent infringement lawsuit 11 Nov 09
Nichia has filed an infringement lawsuit in the USA, against companies in China, Hong Kong and Canada. |
Acuity joins Philips LED luminaires licensing program 22 Oct 09
Another major lighting company, Acuity Brands Inc, has signed up for Philips licensing program for LED-based luminaires. |
Epistar raises funds, settles with Lumileds 24 Sep 09
Epistar has raised US$351 million and has settled a dispute with Philips Lumileds over AlInGaP LED technology and products. |
Philips and Lighting Science Group settle LED litigation 01 Sep 09
An agreement between the companies includes a commercial relationship, a license by LSG, and an investment by Philips. |
Nichia successful in LED patent dispute against Everlight 19 Aug 09
The Taiwan High Court has affirmed a lower court’s decision that ordered Everlight to pay damages to Nichia.
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JB Lighting joins Philips’ LED Luminaires licensing program 14 Aug 09
JB Lighting Lichtanlagen GmbH is the latest company to take a license under Philips’ LED Luminaires and Retrofit Bulbs license program. |
Traxon Technologies joins Osram-Philips cross-license program 16 Jun 09
Traxon and its controls company e:cue are now participating in the Philips-Osram cross-licensing IP program for LED luminaires. |
In brief: Texas bans lighting designers, Lumileds and Epistar disagree 01 Jun 09
The US lighting design community seems to have averted a ban on unlicensed lighting designers in Texas, while Lumileds and Epistar have both claimed success in a patent dispute. |
Zumtobel joins Philips' licensing program for LED-based luminaires 05 May 09
Philips and Zumtobel have signed a comprehensive licensing agreement, part of which sees TridonicAtco and Ledon become qualified suppliers under Philips LED-based luminaires licensing program. |
Nichia and AgiLight sign licensing agreement 30 Apr 09
AgiLight, a supplier of LED modules for signs and architectural applications, will use white LEDs from Nichia. |
Osram and Everlight extend LED patent cross-license
26 Mar 09
Osram has extended the license for white and coloured LEDs with Everlight, and in return has licensed housing patents owned by the Taiwanese company. |
Patent news: Toyoda Gosei, Showa Denko, Cree, Honeywell 25 Mar 09
Toyoda Gosei and Showa Denko have signed a patent cross-licensing agreement, while Cree and Honeywell have agreed to end their patent dispute. |
Patent News: Seoul, Nichia, SemiLEDs 03 Mar 09
Seoul is alerting companies to its rights over a patent filed back in 1991, Nichia has distanced itself from its competitor, and SemiLEDs has ended its dispute with Nichia. |
Nichia and Luminus form partnership, cross-license patents 03 Feb 09
Nichia seems to think that a partnership with a US-based LED maker will provide a boost in its attempts to gain ground in the solid-state lighting market. |
Seoul and Nichia sign cross-licensing agreement 02 Feb 09
After an extensive (and expensive) series of patent lawsuits, the dispute between Nichia and Seoul has been resolved.
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Cree settles patent litigation with Bridgelux
29 Dec 08
The two companies agree to a licensing arrangement and supply agreement. |
ilumisys, Altair obtain favorable ruling on LED lighting technology patent 10 Dec 08
An issued patent made claims related to replacing fluorescent tubes with LEDs, and these claims were revoked based on ilumisys’ existing patent.
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Sharp and Nichia enter into LED patent cross-licensing agreement 21 Nov 08
The deal, which includes laser diodes as well as LEDs, should help Sharp and Nichia respond to market demand for LED lighting products and Blu-ray Disc recorders. |
Seoul, Tridonic sign LED cross-license agreement 17 Nov 08
Seoul Semiconductor has signed a patent cross-licensing agreement with Tridonic Optoelectronics relating to silicate-based phosphors for white LEDs. |
Seoul Semiconductor wins lawsuit against Nichia 28 Oct 08
A United States Court has awarded a judgment to Seoul Semiconductor in a lawsuit filed by Nichia. |
Lighting Science Group obtains preliminary injunction against Philips 13 Oct 08
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More lawsuits in LED fight between Philips, Lighting Science 06 Oct 08
Further lawsuits have been filed in the disagreement between rivals Color Kinetics, now part of Philips, and Lighting Science Group. |
Nichia LED patent invalidated, Seoul celebrates 03 Oct 08
An LED patent cited in a lawsuit against Seoul Semiconductor and SemiLEDs has been ruled invalid in Korea. |
Osram and Philips sign LED luminaire patent license agreement 24 Sep 08
LED luminaire makers that buy all their key components from Osram will now avoid payment of licensing fees under Philips' patent licensing program. |
Nichia sues Seoul in the UK over LED annealing patent 18 Sep 08
Nichia has filed yet another patent lawsuit against Seoul Semiconductor, this time relating to a crucial annealing patent for p-type GaN material. Seoul immediately issued a retaliatory press release. |
Korean court finds that Seoul Semiconductor defamed Nichia 05 Sep 08
Seoul Semiconductor has had its knuckles rapped after claiming to have prevailed in a patent lawsuit against Nichia, when a jury had in fact ruled in favor of Nichia. |
Nichia files US patent lawsuit against Seoul Semiconductor 21 Aug 08
Nichia has filed yet another lawsuit that accuses Seoul Semiconductor's Acriche products of infringing its patents. Seoul says there is no infringement and that Nichia is misuing the legal process. |
Litepanels sues Sony for patent infringement on LED technology 04 Aug 08
Litepanels has filed a lawsuit against Sony related to consumer and professional video equipment and products that infringe two of Litepanels’ patents covering LED technology.
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Nichia LED patent ruled invalid in Korea 29 Jul 08
In a company press release, Seoul Semiconductor says it has scored a victory against Nichia following a patent ruling in Korea. |
Seoul states position in lawsuit filed by Nichia 21 Jul 08
Seoul Semiconductor says that lawsuits filed by Nichia are without merit, and is continuing its extensive litigation against its rival. |
Nichia files lawsuit against Seoul's Acriche in Germany 17 Jul 08
More fees for patent attorneys as Nichia targets the Acriche LED from Seoul Semiconductor in Germany and the UK. |
Philips introduces licensing program for LED-based luminaires 02 Jul 08
Philips is offering around 1000 patents related to LED luminaires, and will charge licensing fees such as 5% of net selling price for color-changing luminaires. |
Patent logic tree identifies key decision steps for filing
26 Jun 08
The crucial decision whether to file a patent should follow a logical, six-step decision process, explains patent attorney Marshall Honeyman.
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Cree announces patent agreement with Toyoda Gosei 28 May 08
Two of the world's leading LED makers have announced a cross-licensing agreement for LED patents. |
Nichia targets Seoul, US inventor signs settlements 05 May 08
Nichia has filed a second lawsuit relating to white LEDs against Seoul Semiconductor in Japan. Separately, Epistar and Everlight have settled infringement claims filed by a US inventor. |
Seoul Semiconductor signs patent license with US inventor 10 Apr 08
The Korean LED manufacturer has signed a license agreement to avoid a complaint filed with the International Trade Commission. |
Seoul wins LED patent case against AOT, licenses Itswell 03 Apr 08
Seoul has licensed its white LED patent to Itswell, and has been successful in a lawsuit filed against it by AOT. |
Philips SSLS licenses LED patents to Renaissance Lighting 26 Mar 08
The former Color Kinetics has ended a patent dispute with Renaissance Lighting by licensing its global patent portfolio. |
Patent complaint targets LED makers, consumer electronics industry 25 Mar 08
The owner of a patent relating to doping processes in wide bandgap semiconductors has asked the ITC to exclude products that use LEDs and lasers that infringe the patent. |
Philips files LED patent lawsuit against Lighting Science Group 11 Mar 08
The former Color Kinetics, now part of Philips, is alleged patent infringement by LED Effects, now part of Lighting Science Group. The latter has responded with a complaint that alleges, among other things, misappropriation of trade secrets by Philips. |
Altair and ilumisys enforce LED lighting technology patent 06 Mar 08
High Tech Global Group is judged to have infringed a patent for LED fluorescent-replacement lamps owned by LED lighting developer ilumisys. |
Catalyst granted patent on switching architecture for LED lighting
22 Feb 08
A new patent should enable a simpler, smaller, more cost-effective and far more power-efficient "green" LED driver alternative to linear regulators. |
Osram licenses white LED technology to PerkinElmer 11 Feb 08
PerkinElmer has signed a fee-based licensing agreement for white LED technology developed by Osram Opto Semiconductors. |
Carpenter patent describes decorative lighting control 06 Feb 08
A new patent relates to methods for controlling the output of decorative lighting systems, for example a string of holiday lights. |
ITC investigates Nichia after Seoul laser complaint 09 Jan 08
A complaint filed by Seoul Semiconductor against Nichia is to be investigated by the International Trade Commission. |
Seoul Semiconductor files defamation lawsuit against Nichia 07 Jan 08
Seoul Semiconductor and Nichia are continuing their high profile patent dispute with further lawsuits. |
COMMENTARY: Patents - One verdict, two outcomes 06 Dec 07
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Seoul Semiconductor files ITC complaint against Nichia 05 Dec 07
Seoul Semiconductor is continuing its patent war with Nichia by filing a complaint with the United States International Trade Commission |
Seoul files another patent lawsuit against Nichia 13 Nov 07
Seoul Semiconductor has filed a lawsuit in the US against Nichia alleging that all Nichia's LED products infringe a patent owned by Seoul. |
Nichia and Seoul offer different views of jury ruling 12 Nov 07
A jury in the United States says that Seoul Semiconductor LEDs infringe on several US design patents owned by Nichia. However, Nichia was only awarded $62 (or $250, depending who you ask). |
Dominant clarifies license position of white LEDs 12 Nov 07
Dominant Semiconductor says that all its white LEDs use orthosilicate phosphors licensed under IP owned by Toyoda Gosei and partners. |
Nichia wins damages in LED patent ruling against Everlight 02 Nov 07
LED maker Nichia has won a patent dispute in a Taiwanese court that will see its rival Everlight Electronic Co., Ltd. pay around $2.5 million in damages. |
Appeals court reverses outcome of Osram-Dominant dispute 01 Nov 07
A federal appeals court says that the ITC made an error in an LED patent case, and that Osram patents were infringed by Dominant Semiconductors. |
Osram wins LED patent dispute with Kingbright 01 Nov 07
Osram says it has been successful in a patent dispute in Germany against Kingbright, a rival Taiwan-based LED maker. |
Honeywell targets Lumileds, Cree with LED patent lawsuit 30 Oct 07
Honeywell has a patent relating to the use of a reflector to recycle photons in a phosphor-converted LED. And it has identified the biggest LED makers in the US as alleged infringers. |
Osram and Toyoda Gosei sign LED patent agreement 30 Oct 07
Two major LED makers have agreed to share patented technologies related to blue LED chip fabrication, industrial production of LEDs and semiconductor lasers, and white LEDs. |
Seoul Semiconductor wins further patent ruling 26 Oct 07
LED maker Itswell has to pay damages of $1.2 million to its rival Seoul Semiconductor for patent infringement. |
Philips SSLS and Boca Flasher in LED patent agreement 23 Oct 07
Boca Flasher has licensed Philips SSLS' worldwide patent portfolio relating to intelligent LED lighting. |
Seoul Semiconductor wins LED patent challenges 17 Oct 07
LED maker Seoul Semiconductor has won several patent disputes against rivals AOT and Itswell. |
Intellectual property plays a key role in the LED industry 15 Oct 07
The identification, management and protection of valuable intellectual property - potentially with the involvement of licensing programs - is a crucially important activity, explains Paul Kallmes. |
Nichia and Seoul Semiconductor extend patent disputes 11 Oct 07
Nichia has filed a further patent infringement lawsuit against Seoul Semiconductor, provoking a strong response from the Korean company. |
Epistar denied stay of exclusion order in patent case 03 Oct 07
Epistar is appealing the ITC's decision to grant an exclusion order on some of its LEDs. But until the appeal is heard, the exclusion order will be enforced. |
Nichia and Cree expand LED patent cross-licensing 18 Sep 07
As part of an extended collaboration on LED patents, Nichia's claims against Cotco, a subsidiary of Cree, have been resolved. |
Nichia hits Seoul with further patent lawsuit 17 Sep 07
Nichia has filed yet another lawsuit against Seoul Semiconductor Co. Ltd, this time in Korea, over white LEDs. |
LED patent case between Nichia and Seoul moves to trial 04 Sep 07
A jury will decide on Nichia's claim that LEDs manufactured by Seoul Semiconductor infringe various US design patents. |
Seoul and Osram sign LED patent cross license agreement 30 Aug 07
Seoul Semiconductor has signed a cross-license deal with Osram Opto Semiconductors. |
ITC denies Epistar's motion in patent dispute with Lumileds 29 Aug 07
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Nichia settles UK lawsuit with retailer Argos 14 Aug 07
LED maker Nichia has settled its patent lawsuit with a UK retailer relating to the use of white LEDs in Christmas lights. |
Seoul Semiconductor wins patent case in Taiwan 13 Aug 07
A patent invalidation action filed against Seoul Semiconductor in Taiwan by Advanced Optoelectronic Technology has been dismissed. |
Nexxus Lighting issued two LED lighting patents 23 Jul 07
LED lighting manufacturer Nexxus Lighting has been issued two new patents related to its LED lighting technology. |
Osram licenses white LED patents to Citizen, ending dispute 19 Jul 07
An agreement between two white LED manufacturers could pave the way for future cooperation. |
Lumileds warns Epistar customers of potential infringement 13 Jul 07
US Customs will begin blocking importation of LED products from Epistar and its customer that infringe Lumileds' patents. |
Martin and G-LEC sign LED display licensing agreement 28 Jun 07
G-LEC Europe has licensed its technology for semi-transparent LED screens to Martin Professional, a leading entertainment lighting company. |
Supreme Court points its finger at obvious patents 24 Jun 07
A recent ruling by the U.S. Supreme Court on a patent case could have implications for the solid-state lighting industry. |
High End Systems signs patent license deal with Color Kinetics 14 Jun 07
A patent license agreement with Color Kientics will enable High End to launch its first LED lighting products for the entertainment market. |
CHAUVET and Color Kinetics enter global licensing agreement 25 May 07
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Seoul Semiconductor comments on Nichia’s lawsuit in Japan 18 May 07
Nichia's patent infringement lawsuit against Seoul Semiconductor has provoked comments from the defendant. |
Nichia teams with Stanley, sues Seoul Semiconductor 17 May 07
In two unrelated announcements, LED maker Nichia has licensed its white LED technology to Stanley, and has filed a patent lawsuit against rival Seoul Semiconductor. |
ITC ruling bars importation of Epistar AlGaInP LEDs 14 May 07
A ruling in favor of Philips Lumileds over AlGaInP LED patents could prevent Epistar from importing certain LED products into the USA. Epistar will appeal. |
Patents: Luminus, Nexxus and new US patents 01 May 07
Luminus as received five more US patents, and Nexxus, Avago, Altman and others have also been granted patents. |
Trumpf licenses CK patents for medical lighting 23 Apr 07
Color Kinetics has licensed its LED patents to Trumpf for use in surgical lighting systems. |
Nichia lawsuit targets Cotco LEDs in lighting product 13 Apr 07
Nichia is seeking a provisional injunction against a distributor of lighting products that contain white LEDs manufactured by Cotco, now part of Cree. |
Ford licenses Color Kinetics' patents for automotive lighting 05 Apr 07
Color Kinetics has signed a global licensing agreement with Ford that allows the "dynamic personalization" of automotive interiors and exteriors through intelligent LED lighting. |
Color Kinetics and Element Labs announce licensing agreement 27 Mar 07
Color Kinetics and Element Labs, two companies specializing in intelligent LED-based lighting fixtures for the entertainment market, have announced a global cross-licensing agreement. |
ITC confirms Epistar infringement of Lumileds patents 23 Feb 07
The ITC has confirmed that Epistar's AlGaInP-based MB-LEDs infringe Lumileds patents, and will consider if other LEDs infringe as well. |
Court decision against TIR Systems will have "minimal impact" 15 Feb 07
TIR Systems still plans to present strong evidence of invalidity and non-infringement in its patent litigation against Color Kinetics, despite a court's rejection of a request for an inequitable conduct ruling. |
Osram and Philips sign LED and OLED cross-license 28 Jan 07
The two largest lighting companies have agreed to license each other's LED and OLED patents. |
Lumileds hopes for exclusion of infringing Epistar LEDs 22 Jan 07
An ITC judge has recommended the exclusion from the U.S. of Epistar's infringing LEDs and downstream products. |
Color Kinetics and Lamina announce licensing agreement 17 Jan 07
Color Kinetics has secured another licensing agreement, and its products have been selected to illuminate the "store of the future" exhibit. |
Patent News: Neon-LED, Aneeva, new US patents 16 Jan 07
Neon-LED is in a patent dispute in China with Neo-Neon, Aneeva has a new UK patent, and US patents have been awarded to Advanced Optical Technologies, Altman, Barco and Color Kinetics. |
Letter to the Editor: Neo-Neon licenses CK technology 01 Jan 07
Neo-Neon has written a letter to LEDs Magazine in response to our article concerning their licensing agreement with Color Kinetics. |
Philips Lumileds wins LED patent ruling against Epistar 01 Jan 07
The ITC has ruled that certain accused products from Epistar had no licenses from Philips Lumileds for asserted patents. |
Cree sues BridgeLux for patent infringement (update) 20 Sep 06
Cree is suing a rival chip maker over patents relating to light extraction structures used in LEDs, and to gallium nitride-based buffer technology. |
New patents: Nichia, Permlight, Barco, Dialight, CAO, Boca Flasher 01 Sep 06
US patents issued recently include an LED lighting fixture from Nichia and Daisho Denko, and a UV curing light from CAO Group. |
Color Kinetics and Robe Show Lighting sign licensing deal 01 Sep 06
Color Kinetics has signed another license agreement with a leading provider of entertainment lighting. |
Toyoda Gosei calls for caution regarding LED patents 16 Aug 06
Toyoda Gosei, a leading Japanese LED manufacturer, has issued a press release to advise competitors to be aware of its extensive patent portfolio. |
Patents: are they a blessing or a curse? (part 3) 24 Jul 06
What does a patent do for the patentee, how can you tell what a patent excludes others from doing, and what is meant by offensive and defensive litigation? |
Patents: are they a blessing or a curse? (part 2) 17 Jul 06
Part 2 of 3. Can a combination of well-known technologies be patented, and how can there be a series of patents going back in time to a small number of parent (original) patents? |
Patents: are they a blessing or a curse? (part 1) 10 Jul 06
The patent system is intended to encourage invention and innovation and should benefit the LED industry, provided that the need for litigation can be alleviated by licensing and avoiding infringement. Part 1 of 3. |
Dialight signs patent license agreement with Color Kinetics 20 Jun 06
Dialight's US subsidiary has licensed Color Kinetics’ LED color-mixing patents, and describes this as an important next step in driving forward its initiatives in the North American market. |
Neo-Neon receives US patent covering LED Neon-Flex 15 Jun 06
Neo-Neon was recently awarded a patent for a flexible LED lighting system to replace neon. |
Color Kinetics licenses patents to iLight Technologies 01 Jun 06
iLight Technologies, Inc has licensed Color Kinetics' patent portfolio to enter the market for color-changing LED lighting |
Osram, Nichia file more white LED patent lawsuits 25 May 06
Osram Opto Semiconductors has filed a patent infringement action against Taiwanese rival Kingbright, while Nichia has filed against a German company Moeller Electric. |
Color Kinetics awarded legal costs, Super Vision appeals 15 May 06
Color Kinetics has been awarded around $1.4 million in costs against Super Vision but will not seek damages, following a ruling dating from August 2005. |
Nichia files LED design patent action against Everlight 01 May 06
Nichia is continuing its fight to prevent rivals from using its patented designs for LEDs used in mobile phones. |
Martin licenses CK technology, moves into LED products 01 May 06
Color Kinetics has licensed its LED patent portfolio to Martin Professional, a leading manufacturer of automated entertainment lighting. |
Cree, Seoul sign LED chip supply and IP agreements 01 May 06
Seoul Semiconductor will spend $40 million with Cree over the next 5 quarters, and the two companies have cross-licensed their white LED patents. |
Industry IP alliance aims to help small LED suppliers 01 May 06
Membership of the IP-Secure Lighting Alliance will provide a degree of confidence to LED integration customers. |
Nichia settles LED patent dispute with Epistar 10 Apr 06
Nichia has dropped a patent lawsuit involving Epistar, thanks in part to Epistar's merger with UEC. |
Toyoda Gosei and Lumileds sign patent agreement 01 Apr 06
Two premier LED manufacturers have signed an agreement allowing them to use each other's LED-related patents. |
Neo-Neon refutes iLight Technologies patent lawsuit (updated) 01 Apr 06
Neo-Neon has refuted claims that it has infringed iLight Technologies' patents, but iLight insists its case is valid. |
iLight Technologies sues two rivals in LED patent cases 29 Mar 06
iLight Technologies has filed separate patent infringement lawsuits against two rivals, Tivoli Lighting and Fallon Luminous, to protect its Plexineon LED products. |
Dominant clarifies outcome of Osram patent case 01 Mar 06
Dominant Semiconductors has clarified the extent to which its products are affected by the recent ITC patent ruling. |
Intematix licenses white LED phosphor to Kingbright 01 Mar 06
Another LED maker has decided to make white LEDs using patented phosphor materials supplied by Intematix. |
Nichia warns Harvatek, drops patent claim 21 Feb 06
Nichia has contacted Harvatek to advise of alleged infringement of a design patent. Meanwhile, the Japanese LED maker is planning to give up its rights to a contentious wafer-manufacturing patent. |
Dominant also claims victory in Osram patent case 01 Feb 06
Dominant says that the ITC ruling will allow it to compete aggressively in the US white LED market. |
Osram Opto wins patent action in USA against Dominant 01 Feb 06
Dominant has been told it must no longer sell certain LEDs in the USA, and Osram has also filed another lawsuit in Germany. |
Osram and Avago sign LED patent cross-license agreement 01 Feb 06
Two competing LED manufacturers have signed a patent deal covering white LEDs and LED system technology. |
Nichia asserts design patents against Seoul Semiconductor 19 Jan 06
Nichia has filed patent infringement claims against Seoul Semiconductor, a rival LED maker, and one of its customers. |
Nichia seeks provisional injunction against Taiwanese LED maker 24 Nov 05
Nichia continues to enforce its intellectual property rights with another lawsuit against a Taiwan-based rival, and further pursuit of US companies using infringing LEDs. |
Osram and Lednium sign white LED license agreement 15 Nov 05
Australian LED developer Lednium has licensed Osram's white LED technology patents. |
Super Vision suffers major setbacks in patent battle against Color Kinetics 11 Oct 05
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EPO aims to improve patent classification in LEDs field 10 Oct 05
Having seen a steep increase in the number of patent applications related to solid-state lighting, the European patent office is now taking steps to improve its classification system. |
IP issues influence fixture makers and LED suppliers 10 Oct 05
Jed Dorsheimer of Adams Harkness tells LEDs Magazine how the resolution of the Color Kinetics vs. Super Vision patent dispute could have a positive effect on the industry. |
Ya Hsin licenses white LED technology from Osram 21 Sep 05
Osram has found a fourth licensee in Taiwan for its white LED technology. |
Nichia seeks injunction against white LED Christmas lights 01 Aug 05
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Nichia settles patent disputes with LED distributors 14 Jun 05
LED maker Nichia has ended two patent disputes with US distributors importing Asian LED products. |
Nichia settles patent dispute with Korean rival Luxpia 01 Jun 05
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Nichia targets LED sales of nearly $2 billion by 2008 01 Apr 05
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Older articles on Patents & Licensing (pre September 2006) 01 Feb 05
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