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PTAB round-up: Record filing in January, Federal Circuit’s Phigenix standing ruling, denial of review decisions, district court estoppel

Michael Loney, New York


Michael Loney rounds up Patent Trial and Appeal Board-related decisions of note in January, including a precedential Federal Circuit decision on standing to appeal in Phigenix v ImmunoGen and two district court estoppel decisions

January’s record month for filing

The 246 PTAB petitions filed in January was the most ever in one month, according to figures taken from the Docket Navigator database.

No month since PTAB proceedings became available in September 2012...


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