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Patent
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Petitioner / Claimant (Plaintiff)
Ajinomoto Co., Inc.
Respondent / Defendant
AbTis Co., Ltd.
Dispute Summary
Ajinomoto has filed an IPR petition challenging AbTis’s U.S. Patent 11,896,675 covering site‑specific antibody‑drug conjugates. The petitioner alleges lack of written description, improper priority, and that all 13 claims are anticipated or obvious over several pre‑grant publications and conference disclosures. The petition seeks cancellation of every claim.
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