About Douglas Wm.
Douglas Wm. Massinger practices across state and federal forums in Florida and Pennsylvania. He is admitted to the Florida and Pennsylvania bars and is authorized to appear before several federal courts and administrative tribunals, including the U.S. Court of Appeals for the Third Circuit and the U.S. Patent and Trademark Office. Those admissions enable him to pursue matters that span civil litigation and intellectual property proceedings.
Over the course of his career he has handled matters in both state trial courts and federal district courts. He is admitted to practice in the U.S. District Court for the Eastern District of Pennsylvania and holds admissions in multiple federal districts in Florida, including the Middle, Northern, and Southern Districts. That combination of state and federal work has shaped a practice that moves between courtroom advocacy and administrative filings.
His bar association memberships reflect that dual orientation. He has been a member of the Federal Bar Association since 2004 and maintains membership in the Marion County Bar Association. Those affiliations have kept him engaged with peers who practice in federal courts and with the local legal community in Marion County.
Massinger maintains an Ocala office and a separate main office. From those locations he files pleadings, conducts client meetings, and pursues matters in federal courts and at the U.S. Patent and Trademark Office. His admission to the USPTO allows him to represent clients in patent and trademark matters before the agency, and his multiple district court admissions permit litigation across jurisdictions in Florida and in Pennsylvania.
Clients encounter him in a variety of procedural settings: civil litigation in state and federal courts, appellate matters in the Third Circuit, and administrative proceedings before the Patent and Trademark Office. He balances court appearances with the preparation of filings needed for administrative and appellate review. He currently represents clients in matters before state and federal trial courts and in proceedings before the U.S. Patent and Trademark Office.
