Signify quickly responded to PTAB’s decision, requesting immediate USPTO Director review in Luminex dispute.

On 10 September 2025, the Federal Circuit docketed Luminex v. Signify, an appeal challenging USPTO rulings in two LED patent reviews.

Liton’s settlement with Signify reinforces a long pattern: fighting Signify’s LED patents rarely ends in victory. Most cases settle.

The IES write-in challenge is underway. Discover how Ira Rothman bypassed the petition process.

Signify’s patent case against Lepro could be the most important lighting IP trial in decades.

Kevin House shares his heartfelt statement on receiving the IES Medal, reflecting on his journey.

IES25 Illumination Awards celebrated innovative lighting projects, highlighting craft, storytelling, community impact, and design excellence.

At IES25’s opening, leaders spotlight fiscal discipline, standards-driven programs, DEI progress, targeted research, and initiatives.

Light Justice prioritizes people-first lighting, combining safety, dignity, and community engagement for equitable public spaces.

Watch the recap of IES25 for insights and highlights from our successful conference.