Wolf Greenfield Attorneys Preview What’s Ahead in 2024
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
Under U.S. law, most patents are limited to a term of 20 years from the earliest nonprovisional filing date. However, Patent Term Adjustment (PTA) and Patent Term Extension (PTE) can be used in certain circumstances to gain...more
Unity of invention and double patenting law and practice in Canada can create challenges for patent applicants. For example, applicants may not expect a unity of invention objection to be raised, requiring claims to be...more
As 2025 begins and intellectual property (IP) strategies are being developed for the new year, it is a good time to reflect on what IP issues were prominent in 2024. According to many readers, hot IP topics included...more
In Allergan USA, Inc. et al., v. MSN Laboratories Private Ltd., et al., the United States Court of Appeals for the Federal Circuit issued a precedential decision relating to obviousness-type double patenting (“ODP”) and...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
In August 2023, the Federal Circuit in In re Cellect held that in evaluating unpatentability for obviousness-type double patenting (ODP) of a patent that has received patent term adjustment (PTA), the relevant date is the...more
The Federal Circuit denied Cellect, LLC's petition for rehearing en banc of the In re Cellect case, which held that the expiration of a patent for obviousness-type double patenting ("ODP") purposes is the expiration date...more
The District Court for the District of Delaware recently held on summary judgment that a patent with 2,295 days of combined patent term adjustment (PTA) and patent term extension (PTE) was not invalid for obviousness-type...more
The US Court of Appeals for the Federal Circuit’s recent decision in In re Cellect confirmed that, when considering whether a reference patent invalidates for obviousness-type double patenting (ODP) a patent having a term...more
We are excited to announce Venable’s inaugural Life Sciences Webinar Series. This month-long series will explore the intricacies and latest developments that shape the life sciences industry. Join us as we hear from our...more
Last week, the Federal Circuit held that obviousness-type double patenting trumps patent term adjustment, opening the door for invalidity attacks that to date had been questionable. In re Cellect was an appeal from a...more