Daniel Zeilberger

4.4 (7 reviews )

Washington District of Columbia United States

Intellectual Property Law Litigation - Patent

Recognized in Ones to Watch since 2025

202-551-1700 Website

About Daniel

Daniel Zeilberger is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and Litigation - Patent.Daniel, who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel is held by other top lawyers in the same geographic and legal practice area.

Daniel Zeilberger is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and Litigation - Patent.

Daniel, who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel is held by other top lawyers in the same geographic and legal practice area.

Practice Areas

Intellectual Property Law

Litigation - Patent

Education

Georgetown University

Awards & Recognition

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Reviews

4.4 / 5

7 Reviews

1,040 Profile Views

Amara Okonkwo

Jan 05, 2026

Exceptional Communication and Always Available When Needed

As a startup founder, I needed urgent help with a patent infringement threat. Daniel Zeilberger was incredibly responsive—he replied to emails within hours and scheduled calls at my convenience. His c...

Henrik Johansson

Jan 05, 2026

Deep Patent Litigation Knowledge Secured Our Victory

Facing a high-stakes patent lawsuit, I was overwhelmed by technical jargon and legal complexities. Daniel's expertise in patent litigation was immediately apparent—he dissected the opposing party's cl...

Yuki Nakamura

Jan 05, 2026

Outstanding Settlement Result Exceeded All Expectations

When my company's trademark was infringed upon, Daniel Zeilberger negotiated a settlement that far surpassed what we thought possible. Through strategic negotiations, he secured not only substantial f...

Fatima Al-Rashid

Jan 05, 2026

Compassionate Guidance During a Stressful IP Dispute

Dealing with a copyright infringement case was emotionally draining, but Daniel showed genuine compassion throughout the process. He listened patiently to my concerns, explained options without pressu...

Diego Alvarez

Jan 05, 2026

Unmatched Professionalism and Esteemed Reputation in DC

Engaging Daniel Zeilberger for our patent portfolio management was a decision based on his sterling reputation among peers in Washington, D.C. His professionalism was evident from our first meeting—me...