News & Analysis as of

Expungement Patent Trial and Appeal Board

Knobbe Martens

PTAB Applies Collateral Estoppel to Exclude Purported Patent Owner

Knobbe Martens on

The PTAB issued an order applying collateral estoppel to determine that one purported owner of U.S. Patent 7,215,752 and U.S. Patent 7,844,041 (the “challenged patents”) had no authority to act as the patent owner in...more

McDermott Will & Emery

No Observations Permitted on Your Own Witness - Seagate Tech. (US) Holdings, Inc. et al. v. Enova Tech. Corp.

McDermott Will & Emery on

Citing both substantive and procedural reasons, the U.S. Patent and Trademark Office’s Patent Trial and Appeal Board (PTAB or Board) ruled that a party was not entitled to present observations concerning the cross-examination...more

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