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Mark Phillip Walters

About me

MARK P. WALTERS is a registered patent attorney with extensive patent litigation experience. Mr. Walters has litigated cases in federal courts across the country, appeared before the International Trade Commission, and argued appeals before the Federal Circuit, Ninth Circuit, and the US Supreme Court. Mr. Walters was named a Rising Star by Washington Law & Politics Magazine (2004, 2006-2012) and a Super Lawyer (2013-2014).


In addition to IP litigation, Mr. Walters handles all aspects of patent prosecution, including reexaminations and inter partes reviews before the USPTO's Patent Trial and Appeal Board.


A significant part of Mr. Walters' practice is trademark search, clearance, registration, and litigation.


Mr. Walters also handles copyright infringement matters on behalf of plaintiffs and defendants and agreements conerning intellectual property matters (including non-disclosure agreements (NDAs), non-competition agreements, and similar matters).





Photos and videos

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Practice areas


  1. Patent Application: 25%
  2. Trademark: 25%
  3. Copyright: 25%
  4. Patent Infringement: 25%



Free consultation (15 minutes)

Payment types:

Cash, Check, Credit card

Attorney endorsements

4 total 

Are you an attorney? Endorse this lawyer

  • Jeffrey Larson

    I endorse this lawyer.


    Jeffrey Larson Trademark application Attorney
    Relationship: Worked for lawyer

  • Gregory F Wesner

    Mark is a fine attorney with outstanding judgment. I endorse him.


    Gregory Wesner Intellectual property Attorney
    Relationship: Supervised lawyer

Contact info

Lowe Graham Jones PLLC

701 5th Ave, Suite 4800
Seattle, WA, 98104


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Super LawyerSuperLawyers2014
Super LawyerSuperLawyers2013
Rising StarWashington Law & Politics Magazine2010
Rising StarWashington Law & Politics Magazine2009
Rising StarWashington Law & Politics Magazine2008
Rising StarWashington Law & Politics Magazine2007
Rising StarWashington Law & Politics Magazine2006
Award of Excellence in the Legal ProfessionButch Blum2005
Rising StarWashington Law & Politics Magazine2004
Work experience
TitleCompany nameDuration
MemberLowe Graham Jones PLLC2014 - Present
PartnerFrommer, Lawrence & Haug LLP2010 - 2013
PartnerDarby & Darby, Professional Corporation2009 - 2010
AssociateDarby & Darby, Professional Corporation2007 - 2009
AssociateChristensen O'Connor Johnson Kindness PLLC2000 - 2007
Association namePosition nameDuration
Seatle Intellectual Property American Inn of CourtPresident-Elect2015 - Present
Seattle Intellectual Property American Inn of CourtBoard Member2009 - Present
King County Bar AssociationMember2000 - Present
Chair, Veteran's Appeals CommitteeFederal Circuit Bar Association2013 - 2014
Co-chair Amicus CommitteeFederal Circuit Bar Association2010 - 2013
Federal Bar AssociationCo-chair Intellectual Property Committee2009 - 2010
Federal Circuit Bar AssociationVice-chair Amicus Committee2004 - 2010
Legal cases
Case nameOutcome
Lucky Break Wishbone Corporation v. Sears, Roebuck and Co. and Young & Rubicam, 528 F. Supp. 2d 1106 (W.D. Wash. 2007)Obtained $1.7 Million jury verdict
Panavise Prods. Inc. v. National Prods. Inc., No 2008-1444, 2009 US App. LEXIS 52 (Fed Cir. 2009)Obtained order of dismissal, affirmed.
La Mexicana, Inc. v. JC Wright Sales, 2:2005cv00666 (W.D. Wash. 2005)Obtained preliminary injunction
See all legal cases 
Publication nameTitleDate
IP Law & BusinessHolding Back the Clock: Confusion about the on-sale bar continues to cost companies the right to patent their inventions.2008
Washington State Patent Law BlogSeattle Patent Litigation Update2008
Intellectual Property NewsletterA Supreme Waste of Time: Does the Current Debate in LabCorp v.2006
School nameMajorDegreeGraduated
University of Idaho College of LawLawJD - Juris Doctor2000
Washington State UniversityBiologyBS - Bachelor of Science1997
Speaking engagements
Conference nameTitleDate
Intellectual Property 101Intellectual Property Protection: General Seminar2010
Right to Publicity in Washington StatePublicity Rights2008
ABA IP RountableCopyright Litigation in the Digital Age2008
Roundtable Discussion: Current Topics in IP Litigation and Appellate PracticeIntellectual Property Litigation2006