News & Analysis as of

Expungement Patents

Sterne, Kessler, Goldstein & Fox P.L.L.C.

MarkIt to Market® - December 2021

The December 2021 issue of Sterne Kessler's MarkIt to Market® newsletter discusses new enforcement tools courtesy of the Trademark Modernization Act; Pfizer's acquisition of Arena Pharmaceuticals; the latest developments in...more

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

Expungement of Unauthorized Filings Under 37 CFR § 42.7(a)

McDermott Will & Emery on

MotivePower, Inc. v. Cutsforth, Inc. - In a sua sponte order concerning an inter partes review (IPR) proceeding, the U.S. Patent and Trademark Office’s Patent Trial and Appeal Board (Board) expunged from the record in...more

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