Walter Kupa‘aikalani Coronel

Walter Kupa‘aikalani Coronel

P. (808) 547-5623

LinkedIn Profile

Walter Kupa‘aikalani Coronel concentrates his practice in intellectual property law.

  • Patent and Trademark Law: As a registered Patent Attorney he counsels clients in the domestic and foreign Patent and Trademark application processes, licensing, due diligence, pre-litigation activities, and all aspects of patent and trademark portfolio management.
  • Technology Transactions: Walter leverages his engineering degree and technical expertise to negotiate purchases, sales, assignments, licenses, and other transactions of intellectual property and technology.
  • IP Litigation: In collaboration with Goodsill litigators, he has successfully defended and pursued claims of infringement of intellectual property before the U.S. Trademark Trial & Appeal Board (TTAB), Hawaii District Court, and before various administrative tribunals.
  • Mergers and Acquisition: Walter counsels clients on the due diligence requirements of intellectual property in the context of M&A deals, including analysis of patent and trademark portfolios to determine strengths and weaknesses of intellectual property.
  • Internet and eCommerce: He counsels clients regarding legal matters relating to business on the Internet, including domain names, copyright and trademark compliance, fair use, free speech, cyber-crimes, privacy and best practices.
  • Copyright and Right of Publicity: Walter regularly counsels companies in transactions for art, content creation, public appearances, and in the defense of claims of violation of copyright.

Walter is a graduate of the Hawaiʻi Preparatory Academy (HPA) on the Big Island and is originally from Kailua-Kona, Hawaiʻi.  He studied Electrical Engineering & Computer Science at University of California, Irvine and received his law degree from University of San Francisco. After law school he practiced in Perkins Coie’s Silicon Valley office for three years in the Intellectual Property Group. Thereafter he returned to Hawaiʻi to manage his own practice before joining the firm.

Practice Areas

Industry Groups


  • University of San Francisco, J.D., 2006
  • J. Thomas McCarthy Institute for Intellectual Property and Technology Law, Intellectual Property & Technology Law Certificate, 2006
  • University of California, Irvine, B.S., 2003

Bar Admissions

  • California
  • Hawaii

Admitted to Practice

  • State Courts of California
  • State Courts of Hawaii
  • U.S. District Court of Hawaii
  • U.S. Patent and Trademark Office

Memberships and Affiliations

  • Hawaii State Bar Association (IP & Technology Section, Past Chair, Current Vice Chair)
  • State Bar of California
  • Mensa International

Email Disclaimer.

NOTICE: If you are contacting Goodsill Anderson Quinn & Stifel LLP or one of its lawyers regarding a possible representation, e-mail is not the recommended way to engage an attorney. The sending or receipt of an e-mail does not create an attorney-client relationship. To obtain legal counsel or legal services from Goodsill Anderson Quinn & Stifel LLP, you must first establish an attorney-client relationship with the firm. Until you have gone through the firm’s intake process and receive an engagement letter from a Goodsill attorney, you have not become a client of the firm. The best way to inquire about a possible new representation is to call (808) 547-5600. You will be put in touch with an attorney who can determine that there is no conflict of interest and that the firm is willing and otherwise able to accept your engagement. If a determination is made to accept the engagement, you will receive an engagement letter. You are not a client unless and until you receive an engagement letter.

Please do not send us any information or documents before you have received an engagement letter. Any information or documents sent prior to your receipt of an engagement letter cannot be treated as private, confidential or otherwise protected, and we may be able to represent a party adverse to you even if the information you submit to us could be used against you.

By clicking “I Accept” you acknowledge that you have read and agree with this notice and wish to proceed anyway.