Sarah E. Mack

Kelly H. Sheridan is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Kelly H., 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 Kelly H. is held by other top lawyers in the same geographic and legal practice area.

Harold Malkin is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Criminal Defense: White-Collar. Harold, who practices law in Seattle, Washington, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Harold is held by other top lawyers in the same geographic and legal practice area.

Julia C. Hunter is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Julia C., 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 Julia C. is held by other top lawyers in the same geographic and legal practice area.

Cory Claassen brings over 20 years of patent law experience to his practice, focusing on the preparation and prosecution of U.S. and foreign patents in the electrical, optical, and mechanical fields. Cory’s practice extends to patent infringement and validity opinions, patent portfolio management, and intellectual property strategy and counseling. He provides these services to clients across a diverse array of technologies, including semiconductor devices, electronics, display and imagi...

Paul Parker focuses his practice on semiconductor technologies and emerging medical device companies. In the semiconductor industry, Paul has extensive experience in general semiconductor and LED fabrication and process patents (CMP, CVD, ALD, lithography, and electrochemical deposition/polishing, etc.); probing/testing technologies (scatterometry, overlay measurements, photoluminescence, probe cards, test jigs, etc.); semiconductor structures and integration flows; semiconductor device and C...

Mike Woerner works for the public good. A member of Keller Rohrback's nationally recognized Complex Litigation Group since 1985, Mike focuses on class action and mass personal injury cases. He is skilled at focusing the Courts' attention on key issues in litigation and at negotiating favorable settlements to bring relief to people who have experienced physical, emotional, and financial harm from environmental contamination, dangerous pharmaceutical drugs, and other negligent acts with far-rea...

Bob Mahon, chair of the firm's State & Local Tax practice, focuses his practice on helping clients minimize state and local taxes and comply with state and local tax laws. Bob represents clients in state and local tax audits, refunds, appeals, and litigation, as well as assists clients with tax planning and business transactions. Bob is the past president of the Tax Section of the Washington State Bar Association and teaches State and Local Tax as an adjunct professor at the University of...

Karen Boxx is currently of counsel with Keller Rohrback L.L.P. She focuses her practice on estate planning and consulting in probate, trust, and estate tax matters. Since 1997, Ms. Boxx has been on the faculty of the University of Washington School of Law, where she teaches in the areas of wills and trusts, estate and gift tax, community property, and estate planning. Before joining the faculty, she was in private practice for fourteen years, representing clients in estate planning, probate, ...

Kelsey M. Sheldon is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Labor Law - Management. Kelsey M., 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 Kelsey M. is held by other top lawyers in the same geographic and legal practice area.

Serena S. Carlsen is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Serena S., who practices law in Seattle, Washington, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Serena S. is held by other top lawyers in the same geographic and legal practice area.