Imagine That IP Law Blog

In the case of In re Cellect, the Federal Circuit upheld a United States Patent and Trademark Office (USPTO) decision that the patentee’s (Cellect’s) patents were unpatentable due to Obviousness-type Double Patenting (ODP). In reaching its decision, the Court ruled that Patent Term Adjustments (PTA) and Patent Term Extensions (PTE) should be treated differently when considering ODP.

In particular, the Court held that when different patent family members have different expiration dates based on PTA, the patent family members that expire on an earlier date can be relied upon ... Read More ›

“Unlike district court litigation—where parties have greater freedom to revise and develop their arguments over time and in response to newly discovered material—the expedited nature of IPRs bring with it an obligation for petitioners to make their case in their petition to institute.” Bio-Sys., Inc. v. Illumina Cambridge Ltd., 821 F.3d 1359, 1369 (Fed. Cir. 2016). Accordingly, the Patent Trial and Appeals Board (PTAB) rules state the Petitioner must “seek leave to file a reply” to a Patent Owner’s Preliminary Response (POPR) and “ [a]ny such request must make a ... Read More ›

The Federal Circuit issued a decision in In re Cellect on August 28, 2023 which may have far-reaching consequences during the assertion of one or more patents that are related members in a patent family, and that include claims that may be subject to an argument for invalidity for obviousness-type double patenting (ODP). The Federal Circuit found that when two or more related family member patents in a patent family cover similar enough or overlapping inventions, ODP can be applied to invalidate one of the patents where the related family member patents expire at different times due to ... Read More ›