LAWYER PROFILE
Shawn Dellegar

Shawn Dellegar

USA 2026

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Ranked in 1 practice area

About

Provided by Crowe & Dunlevy, a Professional Corporation

USA

Practice Areas

Shawn Dellegar focuses his practice on patent and trademark prosecution and administrative proceedings at the U.S. Patent and Trademark Office. Shawn has an expansive practice handling domestic and international patent and trademark portfolios and is frequently involved in high-stakes IPR challenges.

Tailored to the client’s industry and global scope, startups, small businesses, and large corporations rely on Shawn as their intellectual property general counsel, handling licensing and due diligence, helping them determine where they should file applications internationally, and offering strategy and advice about their competitors.

His representative experience includes technology-focused manufacturers, contractors, and tech firms in a wide range of technological fields, including lithium and mineral extraction, wastewater treatment, fired heaters and combustion equipment, image processing, 3D object tracking, 3D printing, precision agriculture, functional foods and nutraceuticals, dental devices, and mechanical and industrial devices and processes. His strong technology background stems from his research and real-world work experience in an oil and gas publishing company and a global technology support company, enabling him to efficiently address a variety of client needs.

Professional Memberships

Oklahoma Bar Association - Intellectual Property Law Section, Board of Directors

American Bar Association - Intellectual Property Law Section

International Trademark Association

American Intellectual Property Association - Patent Law Committee, Trademark Law Committee and Industrial Designs Committee

The International Association for the Protection of Intellectual Property

Tulsa County Bar Association

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Intellectual Property - Oklahoma

Band 1
Band 1

Individual Editorial
Shawn Dellegar is frequently sought after by clients in the energy and oil and gas sectors for assistance with patent prosecution. He is also experienced in handling IPR challenges.

Strengths

Provided by Chambers

  • Shawn Dellegar is great to answer any questions and help decide on the best path forward.

    Intellectual PropertyChambers Guide to the USA
  • Shawn is essential to our business and company.

    Intellectual PropertyChambers Guide to the USA
  • Shawn is superb: very approachable, excellent client manner, and gets the job done right. You know that if he is on the matter, it is taken care of with professionalism and skill.

    Intellectual PropertyChambers Guide to the USA

Ranked Individuals at Crowe & Dunlevy, a Professional Corporation (26)

Oklahoma

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