Atty. William C Mercer

Atty. William C Mercer

William C Mercer is a lawyer practicing intellectual property, patent infringement litigation. William received a Ph.D. degree from Pennsylvania State University in 1984, and has been licensed for 28 years.

New York New York 28 Years Experience 28 year
Call (813) 723-6152

Profile Summary

About William C Mercer at a glance

William C Mercer is an Of Counsel based in New York, New York, practicing at Kirkland & Ellis LLP. They have 28+ years of legal experience, licensed to practice since 1998. Their practice focuses on patent and ip. Admitted to practice in Connecticut (1998) and New York U.S. District Court, Southern District of New York U.S. District Court, District of Connect (2001). Educated at University of Connecticut School of Law (J.D., 1998) and Pennsylvania State University (Ph.D. Chemistry, 1984). Active member of New York State and American Bar Associations American Chemical Society. Serves clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William C Mercer is a lawyer practicing intellectual property, patent infringement litigation
  • William received a Ph.D. degree from Pennsylvania State University in 1984, and has been licensed for 28 years
  • William practices at Kirkland & Ellis LLP in New York, NY

Practice Areas Explained

William C Mercer's Areas of Practice

Each practice area below reflects the types of cases William C Mercer handles, with a brief overview of what that area of law covers.

Patent Law

William C Mercer is one of 18,874 patent attorneys indexed nationally. Browse patent attorneys in New York →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

William C Mercer is one of 94,505 ip attorneys indexed nationally. Browse ip attorneys in New York →

Jurisdictional Context

Why local counsel matters in New York

Practicing law in New York. Legal matters in New York are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in New York are typically filed in the local municipal court or the appropriate New York state district court, depending on subject matter and amount in controversy. An attorney licensed in New York brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in New York courts without local counsel or pro hac vice admission.

Looking for additional New York attorneys? Browse all attorneys in New York or all attorneys in New York.

Frequently Asked

Common questions about William C Mercer

Where is William C Mercer's law office located?
William C Mercer's law practice is located in New York, New York. The firm is Kirkland & Ellis LLP. You can contact the office directly through this profile page.
What practice areas does William C Mercer handle?
William C Mercer focuses on patent, ip. Each practice area listed reflects experience handling cases of that type in New York.
How long has William C Mercer practiced law?
William C Mercer has 28+ years of legal experience and has been licensed since 1998.
Where did William C Mercer go to law school?
William C Mercer earned their education at (J.D., 1998); (Ph.D. Chemistry, 1984).
How can I contact William C Mercer for a consultation?
You can contact William C Mercer directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
University of Connecticut School of Law
- 1998
Ph.D. Chemistry
Pennsylvania State University
- 1984

Bar Admissions

Connecticut
Admitted: 1998
New York U.S. District Court, Southern District of New York U.S. District Court, District of Connect
Admitted: 2001

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