Seongyoune Kang is an associate in the firm’s Mechanical Patent Practice group and primarily focuses on prosecuting patent applications in the mechanical and electro-mechanical arts before the United States Patent and Trademark Office (USPTO).

Mr. Kang began his career at another boutique firm where he gained extensive experience drafting patent applications relating to display panel manufacturing, automotive manufacturing, home appliances, turbomachinery and medical devices. Mr. Kang is familiar with all stages of patent preparation and prosecution including searching through patent databases for prior art relating to an inventive concept, conducting a patentability analysis on the uncovered prior art, drafting claims that circumvent the prior art, or conducting interviews and submitting responses or appeal briefs. Mr. Kang also generated opinions commenting on validity, non-infringement and freedom-to-operate, and prosecuted foreign patent applications by providing detailed guidance to foreign associates.

Prior to joining Oblon, Mr. Kang worked in-house at a major oilfield services company where he managed a worldwide patent portfolio relating to pressure control services and equipment, fluid processing technology and cuttings handling technology. Mr. Kang also counseled on a variety of intellectual property issues including patent enforcement and clearance, confidentiality agreements, licensing agreements, and trade secrets.


  • The Ohio State University (J.D.)
  • Seoul National University (B.S.)
    • Mechanical and Aerospace Engineering


  • Ohio
  • California


Professional Affiliations



  • Korean
  • French