Staccato Cherry U.S. Plant Patent Invalidated

By Brian D. Keppler, Ph.D.

On December 30, 2022, a federal judge in the Eastern District of Washington granted a motion for summary judgment seeking to invalidate U.S. Plant Patent No. 20,551, covering a variety of cherry known as Staccato. Staccato is a sweet cherry variety developed by Agriculture and Agri-Food Canada. The Canadian government, the owner and assignee of […]

Close but no cigar: ITC gets 4 of 5 claim constructions correct, but must reconsider 2 issues

In a recent decision, the Federal Circuit addressed a variety of claim construction, infringement, and validity issues in an appeal from the International Trade Commission. After construing five disputed claim terms, the ITC held one of four representative products infringed, the remaining three did not infringe, and one claim invalid as anticipated. Both parties appealed.The […]

Board’s determination of priority, while “very close call,” supported by substantial evidence

In a recent decision, the Federal Circuit affirmed a decision of the Board of Patent Appeals and Interferences awarding priority of invention to the senior party in an interference proceeding. The Board held there was sufficient corroborating evidence of an inventor's testimony that the senior party appreciated its reduction to practice worked and met the […]

Ninth Circuit: Patent law terms in employment agreement should be given patent law definitions

In a recent decision, the Ninth Circuit held a district court's jury instructions regarding construction of the patent ownership provisions of an employment agreement erred in applying contract law rather than patent law. The court determined that jury instructions defining the terms "conceive," "reduce to practice," and "Work of Dr. Yu" (a possible coinventor) required […]

Corroboration of reduction to practice must corroborate that invention worked for intended purpose

In a decision today, the Federal Circuit affirmed the BPAI's decision in an interference proceeding awarding priority to the senior party. The junior party attempted to show an actual reduction to practice before the senior party's priority date. While the junior party offered evidence of an earlier actual reduction to practice, the corroborating evidence was […]

Inventors’ appreciation of invention intones interference’s inversion

On appeal from the Board of Patent Appeals and Interferences (BPAI), the Federal Circuit today reversed a priority determination, finding that the junior party had shown conception and reduction to practice before the senior party's filing date. As a result, the case was remanded to determine whether the senior party could prove earlier priority. More […]