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Zuber Lawler & Del Duca

Soluzioni legali strategiche per clienti che mirano al futuro.

Mathew J. Spark

Los Angeles

Matthew J. Spark focuses on patent prosecution and litigation support in a wide variety of technologies. Mr. Spark also drafts invalidity and infringement opinions, prepares appeals to the USPTO Patent Trial and Appeal Board, conducts intellectual property due diligence reviews for mergers & acquisitions, and prepares intellectual property licenses and confidentiality agreements. He possesses experience in representing patent owners in post-grant proceedings before the U.S. Patent and Trademark Office.

Mr. Spark has successfully prosecuted patent applications in a wide variety of technologies including medical devices, video technology, digital signal processing, network devices, streaming media technology, electronic displays, semiconductor fabrication, semiconductor devices, telecommunications, RFID devices, nutraceuticals, energy-generating systems, automotive safety, virtual reality simulation, tools, irrigation systems, packaging, illumination, hydraulic systems, cosmeticeuticals, cookware, sports-related equipment, exercise devices, garments, business methods, software and internet-related commerce.

Prior to joining Zuber Lawler & Del Duca, Mr. Spark practiced at Venable LLP. Mr. Spark is a former U.S. Patent Examiner. Mr. Spark understands the environment in which Patent Examiners work and uses this knowledge to his clients’ advantage when negotiating with Examiners during prosecution.

Before beginning his legal career, Mr. Spark was a Member of the Technical Staff at Hughes Aircraft’s Space and Communications Group.

Representative Publications

  • Author, “Petitioning During Inter Partes Reexamination Proceedings” New Matter, Volume 38, No. 2 (2013)
  • Author, “Determination of Level of Ordinary Skill in the Art: A Post-KSR Prosecution Tool”, Journal of the Patent and Trademark Office Society, Volume 92, No. 3 (2010)
  • Representative Speaking Engagements

    • Speaker, “Patent Examiners: Who They Are, What They Do”
    • Speaker, “The Determination of Ordinary Skill in the Art: A Post-KSR Prosecution Tool”
    • Professional Honors & Activities

      • Secretary, Executive Committee, California State Bar, IP Section


Tulane University Law School
J.D., 1993
Certificate in Environmental Law

Tulane University
B.S.E, 1987

Iscritto all’Ordine degli Avvocati (bar) di:

New York
U.S. Patent and Trademark Office


U.S. District Court – Southern District of NY
U.S. District Court – Central District of CA