For patent attorneys, filing and prosecuting patent applications in foreign countries can be a fraught process. Each country has its own unique set of patent laws, which, though largely similar to one another, include small...more
For many parts of the world, a voluntary divisional application (known as a continuation application in the U.S.) may be filed at any time during the pendency of any parent application. The claims in the voluntary divisional...more
Addressing the “safe harbor” provision under 35 U.S.C. § 121, the U.S. Court of Appeals for the Federal Circuit upheld a district court ruling that a reissue patent was invalid for obviousness-type double patenting. G.D....more
In Mohsenzadeh v. Lee, the Federal Circuit affirmed the district court’s decision that the USPTO’s delay in issuing a Restriction Requirement in a parent application does not earn Patent Term Adjustment (PTA) for the ensuing...more
In 2008, the Federal Circuit determined that claims 1-4 and 11-17 of U.S. Patent No. 5,760,068 were invalid for obviousness-type double patenting (OTDP) over a related parent patent, in part because the ‘068 patent was filed...more