In a highly anticipated decision, the en banc Federal Circuit overruled the longstanding Rosen-Durling test for assessing obviousness of design patents. The challenged framework, derived from two cases, In re Rosen, 673 F.2d...more
In the weeks preceding a recent Hatch-Waxman bench trial, a district court excluded portions of an expert’s opinion on obviousness that addressed internal documents and inventor testimony concerning the “inventors’ path” to...more
A Central District of California judge recently granted summary judgment of no obviousness based on inter partes review (IPR) estoppel because the only prior art references used to challenge patent validity could have been...more
1/31/2020
/ Estoppel ,
Final Written Decisions ,
Inter Partes Review (IPR) Proceeding ,
Obviousness ,
Patent Infringement ,
Patent Litigation ,
Patent Validity ,
Patents ,
Printed Publications ,
Prior Art ,
Summary Judgment
The Federal Circuit recently upheld a district court’s decision to tax a patent infringement plaintiff with its opponent’s attorneys’ fees based on an inadequate presuit investigation into infringement, even though the patent...more