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
The Federal Circuit reversed an obviousness determination from the Patent Trial and Appeal Board (PTAB) for relying on an argument raised by the petitioner for the first time on remand. In so doing, the court held that the...more
During a Markman hearing, a judge in the Eastern District of North Carolina denied a plaintiff’s request that the defendant be judicially estopped from arguing claim constructions that were different from positions the...more