What You Need to Know: • Instead of filing multiple applications claiming different aspects of an invention but not sharing a single priority chain, patentees should strive to file highly comprehensive applications that...more
In In re Cellect, 81 F.4th 1216 (Fed. Cir. 2023), the US Court of Appeals for the Federal Circuit held that a later-expiring patent can be invalid for obviousness-type double patenting (ODP) in view of an earlier-expiring,...more
On August 28, 2023, the U.S. Court of Appeals for the Federal Circuit, in In re Cellect, Appeal No. 2022-1293, evaluated for the first time how statutorily authorized patent term adjustments interact with the judge-made...more
In In re Cellect, the Federal Circuit effectively held that Patent Term Adjustment (PTA) awarded under 35 USC § 154 is not protected from obviousness-type double patenting (OTDP) in view of a patent with the same 20-year...more
The Federal Circuit recently affirmed a United States Patent and Trademark Office (PTO) decision to invalidate four related patents on obviousness-type double patenting grounds (OTDP), holding that any analysis of OTDP for...more
Federal Circuit Summary - Before Moore, Chen, and Hughes. Appeal from the United States District Court for the District of Delaware. Summary: Obviousness-type double patenting does not invalidate an otherwise validly...more