Won-Han Cheng

Casey Fitzpatrick has extensive experience with patents covering a variety of technologies. He focuses his practice on the preparation and prosecution of patent applications, inter partes review (IPR) proceedings, and patent infringement and invalidity analysis in the context of litigation and opinions of counsel. Casey’s technical expertise covers a wide range of computing technologies, including artificial intelligence and machine learning, computer vision, vehicle computer systems (i...

Managing Partner Lynn Sarko uses thoughtful innovation to solve complex issues. Having led Keller Rohrback L.L.P.’s Complex Litigation Group since its inception over 30 years ago, Lynn’s work has led to new developments in case law and significant, impactful settlements for his clients. A dynamic leader with a tenacious dedication to justice, Lynn has been selected by courts across the nation to serve in key leadership roles in a wide variety of cutting-edge cases. Namely, he was ...

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.

Derek Ko is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Information Technology Law and Technology Law. Derek, 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 Derek is held by other top lawyers in the same geographic and legal practice area.

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...

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...

At LEVY | VON BECK | COMSTOCK | CHASTAIN | P.S., my dedication to excellence in construction and real estate law has been unwavering. With expertise in commercial litigation and a sharp focus on construction, my practice is built on a foundation of robust legal acumen and a commitment to the clients we serve. Our team excels in navigating complex disputes, ensuring that homeowner associations, small business owners, and contractors receive vigorous representation. My approach is characterized...

Matthew P. Gordon is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Litigation - Health Care. Matthew P., 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 Matthew P. is held by other top lawyers in the same geographic and legal practice area.

As a partner in Keller Rohrback’s nationally recognized Complex Litigation Group, Cari Laufenberg maintains a national practice representing consumers, employees, and institutions in complex consumer and employee class actions involving corporate fraud, privacy and data breach issues, breach of fiduciary duty, and the Employee Retirement Income Security Act (ERISA). Since joining Keller Rohrback, she has played a key role in obtaining multi-million-dollar recoveries for consumers, emplo...

Dean A. Messmer is a top attorney recognized by Best Lawyers in the practice area(s) of Closely Held Companies and Family Businesses Law, Commercial Litigation, Corporate Law and Real Estate Law. Dean A., 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 Dean A. is held by other top lawyers in the same geographic and legal practice area.