The Patent Trial and Appeal Board granted a request for rehearing of a final written decision in which it had originally determined that the challenged were not unpatentable. On rehearing, the board found that petitioner’s...more
An accused infringer in a district court case could not take advantage of a prior claim construction ruling from an inter partes review (IPR) proceeding involving unasserted claims of the same patent. The Patent Trial and...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