Peter J. Mintzer is a Partner in the Seattle Office and heads the firm's Pacific Northwest Insurance Coverage Group. He represents insurers in complex insurance coverage matters, particularly in the areas of environmental, construction defect, product liability, general liability and professional liability matters.  Peter also handles extra-contractual and alleged “bad faith” claims for insurers.  In his 33 years of practice, Peter has represented major insurer clients in many of the largest and most complex environmental insurance claims in the Pacific Northwest. 

Peter also represents businesses  in environmental matters.

Providing monitoring counsel services, Peter assists insurers and other stakeholders in working with defense counsel and the insured and its  counsel in evaluating exposure to effectively resolve claims for which a defense and/or coverage is being afforded.  

Peter also frequently serves as a mediator and as an Arbitrator for the Superior Courts in King, Pierce, Skagit, Thurston, Kitsapand Snohomish Counties. 

Peter is a frequent speaker at professional conferences  in the areas of environmental and other complex liability insurance claims and related topics. He is a Chapter Editor of the Washington Insurance Litigation Practice Guide (LexisNexis).   Peter has also been selected as a Super Lawyer for Washington for Insurance Coverage by Thomson Reuters’ Washington Law & Politics magazine for the years 2016 – 2023. 

Before law school, Peter worked as a Journeyman Carpenter in Local 135, United Brotherhood of Carpenters & Joiners, New York, N.Y.

Peter holds a 50 Ton Masters License from the United States Coast Guard. 

Born and raised in New York, Peter has lived in the Pacific Northwest for over 35 years.  When not at work, Peter can often be found messing around in boats on Puget Sound or in the San Juan Islands.

Representative Matters

Environmental/Toxic Tort Matters

  • Representation of railroad company/PRP in a multi-party Superfund site in Commencement Bay, Washington
  • Representation of bulk fuel terminal operator in Consent Decree cleanup of site adjacent to federal Superfund site in Tacoma, WA
  • Representation of major Port in Superfund contribution litigation related to the Midway Landfill NPL site;
  • Representation of insurers in subrogation/contribution litigation against neighboring PRPs in Duwamish industrial neighborhood in South Seattle;
  • Representation of non-ferrous metals dealer in Consent Decree cleanup at Federal Superfund site and related defense of contribution litigation brought by major oil company neighbor;
  • Representation of construction/trucking company in connection with contribution litigation related to its former operations depot site in Snohomish County, WA;
  • Representation of cooling tower maintenance contracting firm in defense of enforcement action brought by USEPA Region Ten arising from alleged emissions of asbestos in the course of its work;
  • Representation of non-profit entity in claim from a neighbor alleging pollutants from client’s site, a former retail gas station, were impacting neighbor’s cleanup of adjacent site.
  • Representation of metal plating business in investigation and remediation of site and defense of CERCLA litigation filed by neighbor.

Insurance Coverage Matters

  • Champion International Inc. v. Aetna, et al., (King County Superior Court, Seattle, WA) (37 sites);
  • Georgia Pacific Corp. v. Aetna, et al. (King County Superior Court (43 sites);
  • Boise Cascade Corp. v. Aetna, et al., (Ada County, Boise ID) (35 sites);
  • Puget Sound Power & Light Co. v. Aetna, et al. (W.D. Wash.) (14 sites);
  • The Boeing Company v. Certain Underwriters at Lloyds, et al. (King Cty, WA) (40 sites)
  • ICN Pharmaceuticals Inc. v. American National Ins. Co. et al., (Multnomah Cty, Portland OR);
  • Seagram & Sons v. Travelers, et al. (USDC D. Alaska) (former oil drilling location in Wrangell-St.Elias National Park in southeast Alaska);
  • North Pacific Seafoods Inc. v. Certain Underwriters at Lloyds, et al. (USDC  W.D. Wash.) (seafood processing  facility in  Alaska);
  • Foss Maritime Inc. v. Travelers, et al. (King Cty, Seattle, WA);
  • Sulzer Pumps Inc. v. Pacific Indemnity Co., et al. (Mult. Cty OR) (Portland Harbor Superfund Site; appointed by Court as liaison counsel for defendants);
  • Gull Industries Inc. v. Allianz Underwriters Ins. Co., et al.  (King Cty Superior Court) (220 current or former gas station sites in WA, OR, ID and NV).
  • Louisiana Pacific OSB Coverage Litigation – Northwestern Pacific Indem. Co. v.  Louisiana Pacific Corp. et al. (Mult. Cty. Cir. Ct)
  • In re: Shake Company of California (Alameda County) (coverage action relating to a class action arising from allegedly defective cement-based roof tiles).
  • Boeing Company Employment-Related Discrimination Claims (coverage counsel to insurer regarding class action ERD claims).
  • Evanston Ins. Co. v. Clartre Inc. (W.D. Wash.) (advertising injury coverage action related to claims arising from fire retardant treated wood shakes).




Peter also serves as a court-appointed Arbitrator for the Superior Courts in King, Pierce and Snohomish Counties.  

Before going to law school, Peter worked as a Journeyman Carpenter in Local 135, United Brotherhood of Carpenters & Joiners, New York, N.Y.


  • Washington Super Lawyers: 2016-2023
  • Rated Distinguished® by Martindale-Hubbell
Peter J. Mintzer
Rated by Super Lawyers

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Bar Admission

  • Washington - 1990
  • Oregon - 1991
  • Idaho - 2007
  • Hawaii – 2008
  • Alaska – 2008


University of Oregon School of Law, J.D., 1990

Intern, University of Oregon Environmental Law Clinic, 1989-1990

University of Chicago, B.A., Political Science (American Government) 1985