Katherine K. Duncan

Carol Vaughn is a top attorney recognized by Best Lawyers in the practice area(s) of Elder Law, Family Law, Litigation - Trusts and Estates and Trusts and Estates. Carol, 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 Carol is held by other top lawyers in the same geographic and legal practice area.

Mike Hintze is a Member Partner at Hintze Law PLLC and a recognized leader in privacy and data protection law, policy, and strategy. He advises a wide range of companies, industry associations, and other organizations – from startups to largest global technology companies. With more than 25 years of experience in privacy and data protection, Mike emphasizes pragmatic and actionable advice that enables his clients to meet their objectives while complying with the law and managing risk. M...

Karen McGaffey's practice involves the full range of environmental issues. She assists clients with project development, permitting, compliance and regulatory matters under state and federal environmental and land use laws, including the National and State Environmental Policy Acts (NEPA/SEPA), the Clean Water Act (CWA), the Clean Air Act (CAA), and the Endangered Species Act (ESA). She represents clients in environmental litigation, including CERCLA and MTCA cost recovery actions, natural re...

Matthew F. Pierce is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Insurance Law and Litigation - Insurance. Matthew F., who practices law in Seattle, Washington, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew F. 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.

Scott Henderson is a business attorney whose clients include dentists, veterinarians and other health care professionals. He provides advice in such areas as practice transitions, partnerships, real estate and employment matters. Mr. Henderson’s representation includes the drafting of purchase and sale agreements, employment agreements, options to purchase, leases and similar documents. He also organizes professional practices into partnerships, corporations, limited liability companies...

Jim Flaggert focuses on estate planning, administration of trusts and estates, business-succession planning, charitable planning, and estate and trust disputes. He creates charitable trusts and foundations and limited liability companies and partnerships, and assists in creating and funding insurance trusts and qualified personal residence trusts. Jim assists clients with generation-skipping transfer tax planning, and with grantor retained annuity trusts, intentionally defective grantor trust...

John Denkenberger is the managing member of COJK, a member of the firm's executive committee, and chair of the litigation practice group. John has successfully litigated patent, trademark, trade secret, and unfair business competition issues in federal and state courts. He has also successfully litigated AIA post-grant challenges, including inter partes review, before the Patent Trial and Appeal Board. In addition to his litigation practice, John also advises clients on foreign and domestic p...

Carl Crow, a Partner in Perkins Coie's Federal Tax Group, focuses his practice on taxable and tax-free mergers, acquisitions, spin-offs and separations, debt and equity financings, leveraged buyouts, intellectual property transfers, international business transactions, partnership and limited liability company formations, executive compensation, and the taxation of special entities, such as S corporations, master limited partnerships, and international shipping companies.

Traeger Machetanz is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. Traeger, who practices law in Seattle, Washington, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Traeger is held by other top lawyers in the same geographic and legal practice area.