63 unchanged sentences
Wyeth filed a notice of appeal on September 12, 2024, appealing the District Court’s judgment as a matter of law, as well as other rulings and opinions of the Court adverse to Wyeth.
+Added: On December 18, 2024, Wyeth filed its opening brief.
+Added: On March 13, 2025, AstraZeneca filed its response brief.
On March 20, 2025, non-parties Regeneron Pharmaceuticals, Inc.
1 unchanged sentence
LLC filed a motion for leave to file an amicus curiae brief in the Federal Circuit appeal.
−Removed: On April 24, 2025, the Federal Circuit stayed the briefing schedule for the appeal pending consideration of the motion seeking leave to file an amicus curiae brief, and it is expected that a schedule for any remaining briefing will be set upon resolution of that motion.
+Added: That motion was granted on May 16, 2025.
+Added: On June 6, 2025, Wyeth filed its reply brief.
+Added: Briefing on the appeal is now complete, and the parties await further order from the Court.
Acebright China Litigation
34 unchanged sentences
On January 10, 2025, the Court conducted a hearing of party experts on the evaluation of evidence.
+Added: On July 14, 2025, the Court conducted a hearing for examining evidence and debating merits of party arguments.
Aosaikang China Litigation
79 unchanged sentences
The first instance decision may be appealed.
+Added: Hexal filed an appeal on June 6, 2025, Generics [UK] Limited filed an appeal on June 20, 2025 and Wyeth filed an appeal on June 30, 2025.
One European divisional application is pending in the same family, namely EP 23157078.8.
A response to the European Search Opinion (ESO) for this application was filed February 14, 2024.
−Removed: The first office action was issued on January 28, 2025 with an extendible due date for the response of May 28, 2025.
+Added: The first office action was issued on January 28, 2025 with a response to the first office action filed on July 22, 2025.
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.