Case Number:

IPR2020-00908

Case Type:

IPR

Status:

Final Written Decision

Petitioner:

Nichia Corporation

Patent Owner:

Document Security systems, Inc.

Patent Number:

6879040

Tech Center:

2800

1. Filed: May 18, 2020 00:00

   Coverage

   1. November 17, 2021

      PTAB Upholds LED Patent In Challenge From Japanese Co.

      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.

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