Parties: Cytiva Bioprocess R&D AB v. JSR Corp., et al.
Date of Decision: December 4, 2024Judges: Prost, Taranto, and Hughes
Appeal of: Six IPR final written decisions
Background
- The patents cover chromatography matrices and processes for isolating biomolecules, particularly antibodies, via affinity chromatography.
- JSR filed six IPRs, alleging that various claims in the patents were unpatentable due to obviousness.
- The PTAB held most claims unpatentable but upheld four claims based on the lack of evidence of a reasonable expectation of success.
Court’s Decision
Continue Reading Cytiva’s claims unpatentable for obviousness based on inherency