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About me



  • John D. Tran is a Registered Patent Attorney and an Intellectual Property Litigator. His practice focuses on all aspects of Intellectual Property, including litigation, prosecution/registration, licensing and counseling. For over a decade, John has provided Intellectual Property counsleing to clients ranging from emerging start-ups to well established companies. 


View John's client testimonials: 




  • OC WEEKLY "Best-Idea Lawyer" Award 2011

  • Super Lawyers Rising Star 2009-2012;

  • OC METRO Top Lawyers Selection 2010-2012;

  • AVVO Superb Rating

  • One of Top Patent Firms 2014 by IP TODAY



For more information:


Languages spoken: Mandarin, Cantonese, Vietnamese, Japanese

Photos and videos

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Practice areas


  1. Patent Infringement: 40%
    11 years
  2. Patent Application: 40%
    14 years
  3. Trademark Application: 10%
    14 years
  4. Intellectual Property: 5%
    11 years
  5. Trademark Infringement: 5%
    11 years



Fixed (always)

Payment types:

Cash, Check, Credit card

Attorney endorsements

21 total 

Are you an attorney? Endorse this lawyer

  • Martin Elias Jerisat

    John is an amazing lawyer, he combines deep knowledge in patent law with solid trial skills. He is also quick to grasp any technical details. I highly recommend him.


    Martin Jerisat Litigation Attorney
    Relationship: Worked together on matter

  • Caryn Hong Thuy Nguyen

    John is the attorney I recommend to handle any IP matters. He's an expert in his field, smart and dedicated to his clients. I have seen him come to work early and leave late to get the job done. He is a respected colleague and good friend.


    Caryn Nguyen Family Attorney
    Relationship: Fellow lawyer in community

Contact info


1 Park Plaza
Suite 600
Irvine, CA, 92614


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Super LawyerSuper Lawyers Magazine2015
Rising StarSuper Lawyers Magazine2014
One of Top Patent Firms in U.S.IP Today Magazine2014
Rising StarSuper Lawyers Magazine2013
Rising StarSuper Lawyers Magazine2012
Top Attorney- PatentsOC Metro Magazine2012
OC Metro Top LawyersOC Metro2011
"Best-Idea Lawyer"OC WEEKLY2011
Super Lawyer Rising StarSuper Lawyers Magazine2011
One of the Top Patent & Trademark Firm in U.S.IP Today Magazine2010
VANG GOLDEN TORCH AWARDVietnamese American National Gala2009
Work experience
TitleCompany nameDuration
PartnerRhema Law Group2011 - Present
PartnerBuus, Kim, Kuo & Tran, P.C/ Ardent Law Group2006 - 2011
Patent AttorneyOswald & Yap, LLP2004 - 2006
Outside General IP CounselLee's Sandwiches International, Inc.2001 - 2015
Association namePosition nameDuration
American Intellectual Property Law AssociationMember2005 - Present
Vietnamese American Bar Association of Southern CaliforniaMember2005 - Present
Orange County Patent Law AssociationMember2004 - Present
American Bar AssociationMember2004 - Present
Orange County Bar AssociationMember2004 - Present
Orange County Asian American Bar AssociationMember2004 - Present
Legal cases
Case nameOutcome
Patent LawsuitPlaintiff victory against 50 defendants
Trademark Opposition ProceedingSuccessfully dismissed Trademark Opposition
Internet Domain DisputeSuccessfully dismissed Internet Domain Complaint
See all legal cases 
Publication nameTitleDate
Nha MagazineFrom Ideas to Profit2006
School nameMajorDegreeGraduated
Whittier College School of LawLawJD - Juris Doctor2002
University of the Incarnate WordBiologyBS - Bachelor of Science1996
University of Texas at AustinBiologyN/AN/A
Speaking engagements
Conference nameTitleDate
Vietnamese American National GalaHonoring Excellence & Community2009