Sunil Chacko

Patent Attorney

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Sunil Chacko concentrates his practice on preparing and prosecuting patent applications and performing due diligence reports, with a particular focus on electrical and computer engineering, including consumer electronics and wearables. His comprehensive background includes working as a Patent Examiner at the U.S. Patent and Trademark Office, where he examined patent applications relating to data processing, speech signal processing, linguistics, language translation, audio compression/decompression, image processing and printing technologies. Sunil also has experience working as a Patent Attorney at an IP boutique in Washington, D.C., where he focused his practice on foreign origin patent prosecution.

In addition, Sunil served as a field engineer for one of the largest offshore drilling companies in the world, where he supervised wireline operations and ensured compliance to federal regulations.

Select Experience

  • Assisted clients on prosecution matters by drafting office actions responses and conducting examiner interviews.
  • Prosecuted reissue applications.
  • Prepared design applications.

Recognitions and Memberships


  • American Intellectual Property Law Association
  • Virginia State Bar, Intellectual Property Section

Prior Positions

  • U.S. Patent and Trademark Office: Patent Examiner 
  • Schlumberger Technologies
    • Wireline Field Engineer 
    • Radiation Safety Officer 


  • U.S. Patent and Trademark Office
  • Virginia


  • J.D., George Washington University Law School, 2017
  • B.S.E.E., University of Oklahoma, 2004