Mark S. Filipini

Jack Lovejoy is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Jack, who practices law in Seattle, Washington, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jack is held by other top lawyers in the same geographic and legal practice area.

Mara Vinnedge is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Mara, who practices law in Bellevue, Washington, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mara is held by other top lawyers in the same geographic and legal practice area.

John Whitaker is a litigator who counsels clients on the protection and enforcement of intellectual property rights, including patents, copyrights, trademarks, and trade secrets. John has served as trial counsel in several cases involving various technologies and forms of intellectual property rights. He routinely represents technology clients in the software, medical device, and telecommunications industries, and he also helps artists and authors to protect their original works. John has rep...

Don Kari has successfully represented the firm's energy and utility clients for more than 30 years. He focuses on state and federal public utility regulation, energy power marketing, energy regulation and policy, contract and administrative law, commercial transactions and energy law.

Clayton Graham helps clients buy, develop, and sell real estate, as well as navigate land development issues of all types. His projects range from single-site commercial uses to large infrastructure and essential public facility projects. Clayton has assisted clients on significant, high-profile, and contested development projects in the Puget Sound region and beyond. As part of DWT’s multidisciplinary land development team, Clayton helps clients site, permit, and develop their projects...

Susan Lehr is an experienced attorney who advises clients in business formation, securities, mergers and acquisitions, real estate development, and federal and state tax law. She counsels on complex transactions, including venture capital and cross-border deals, and offers strategic tax planning to minimize risk. Susan also guides residential and commercial real estate projects, including mixed-use developments, with innovative structuring to support financing, liability protection, and devel...

Professional Experience Rich’s practice focuses on businesses and individuals in disputes with the Internal Revenue Service and the Washington State Department of Revenue. Prior to joining Helsell Fetterman, Rich was a partner at LeSourd & Patten. In addition to his practice, Rich teaches a course in federal tax procedure in the Masters of Science in Taxation (MSTax) program at the University of Washington, Michael G. Foster School of Business. Typical cases include: Representing ta...

Tom Cristy, a partner in the firm’s Employee Benefits & Executive Compensation practice, focuses on employee benefits, ERISA and executive compensation. Tom has more than 20 years of experience drafting and reviewing employee benefit plans and counseling clients with respect to employee benefits and executive compensation, including ERISA, qualified plans (pension, profit sharing, 401(k) and employee stock ownership plans), non-qualified deferred compensation, supplemental executive...

Kraig L. Marini Baker is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising Law and Technology Law. Kraig L. Marini, who practices law in Seattle, Washington, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kraig L. Marini is held by other top lawyers in the same geographic and legal practice area.

David Clarke, a Partner in Perkins Coie’s national Business Practice, focuses on the representation of emerging growth companies, middle market businesses, public companies, venture funds and private equity funds. David's practice emphasizes mergers and acquisitions, private equity and growth equity transactions, venture capital financings, public offerings and corporate governance. David works with privately held clients at all stages of development, serving as outside general counsel ...