Spotlight On: Herceptin® (trastuzumab) / Ogivri® (trastuzumab-dkst) / Herzuma® (trastuzumab-pkrb) / Ontruzant® (trastuzumab-dttb) / Trazimera® (trastuzumab-qyyp) / Kanjinti® (trastuzumab-anns) / Hercessi™ (trastuzumab-strf) - April 2026

Trastuzumab Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple litigations/IPRs are counted more than once. Within each litigation a claim is counted only once. Within each IPR, claims are counted only once, whether they are challenged under § 102, § 103, or both. Claims in litigations are determined based on claims alleged to be infringed or... By: Venable LLP