Umberg Zipser LLP

Counsel of record in 1 federal IP lawsuit tracked by IP Feed.

1 for plaintiffs
  1. Closedfor plaintiffC.D. Cal.2026-05-27
    Opus One Corporation dba Contest Factory v. Wishpond Technologies Ltd.

    Opus One Corporation sues Wishpond Technologies for allegedly infringing its patent technology used in contest and sweepstakes software.

Counsel sourced from public CourtListener docket records; firm names are normalized across spellings and office locations. Appearing for a party is not an endorsement of any position.