PTAB Upholds LED Patent In Challenge From Japanese Co.

By Britain Eakin (November 17, 2021, 5:00 PM EST) -- The Patent Trial and Appeal Board has upheld a Document Security Systems Inc. surface mount LED patent after finding that challenger Nichia Corp.'s proposed construction of a key claim term fell short, thus dooming its invalidity arguments.

In a decision handed down Tuesday, the PTAB said Nichia failed to show all six claims it challenged in Document Security System's U.S. Patent No. 6,879,040 were invalid as anticipated or obvious. The decision gives a boost to Document Security, which has accused Nichia of infringing the patent in a California federal suit. The case, which involves just the '040 patent, was put on...

Stay ahead of the curve

In the legal profession, information is the key to success. You have to know what’s happening with clients, competitors, practice areas, and industries. Law360 provides the intelligence you need to remain an expert and beat the competition.


  • Access to case data within articles (numbers, filings, courts, nature of suit, and more.)
  • Access to attached documents such as briefs, petitions, complaints, decisions, motions, etc.
  • Create custom alerts for specific article and case topics and so much more!

TRY LAW360 FREE FOR SEVEN DAYS

Hello! I'm Law360's automated support bot.

How can I help you today?

For example, you can type:
  • I forgot my password
  • I took a free trial but didn't get a verification email
  • How do I sign up for a newsletter?
Ask a question!