William D. Dalsen

4.4 (32 reviews )

Boston Massachusetts United States

Intellectual Property Law Patent Law

Recognized in Ones to Watch since 2024

617-526-9600 Website

About William

William D. Dalsen is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and Patent Law.William D., who practices law in Boston, Massachusetts, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William D. is held by other top lawyers in the same geographic and legal practice area.

William D. Dalsen is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and Patent Law.

William D., who practices law in Boston, Massachusetts, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William D. is held by other top lawyers in the same geographic and legal practice area.

Practice Areas

Intellectual Property Law

Patent Law

Awards & Recognition

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Reviews

4.4 / 5

32 Reviews

1,046 Profile Views

Lynne O'Kon

Feb 05, 2026

Absolutely Great! I couldn't be happier with the service from William D. Dalsen

Super helpful and professional staff at William D. Dalsen's office. Thanks again for everything you did for me! It was a long journey, but you made it much easier with your constant support and legal...

Ella Koss

Feb 05, 2026

Absolutely Great! I couldn't be happier with the service from William D. Dalsen

If you need a Intellectual Property Law lawyer, William D. Dalsen is the one to call. Great job and very responsive team. They kept me in the loop and always had time to explain the details of my case...