Atty. Mark C. Fleming

Atty. Mark C. Fleming

Mark Fleming is co-chair of WilmerHale's Appellate and Supreme Court Litigation Practice. He is an accomplished and well-regarded litigator who has appeared in more than 300 appellate cases and personally presented oral argument in 77 of them, including eight oral arguments before the Supreme Court of the United States.

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Profile Summary

About Mark C. Fleming at a glance

Mark C. Fleming is a ip attorney based in Boston, Massachusetts, practicing at Wilmer Cutler Pickering Hale and Dorr LLP. Admitted to practice in Massachusetts, Massachusetts Bar Association. Educated at Harvard University (J.D., 1997) and King's College (BA, 1994). Recognitions include Best Lawyers in America — Litigation - Intellectual Property (2026), Best Lawyers in America — Additional Areas of Practice: (2026), and Best Lawyers in America — Appellate Practice (2026). Serands clients in Boston, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Fleming is co-chair of WilmerHale's Appellate and Supreme Court Litigation Practice
  • He is an accomplished and well-regarded litigator who has appeared in more than 300 appellate cases and personally presented oral argument in 77 of them, including eight oral arguments before the Supreme Court of the United States
  • He has also argued before the Supreme Judicial Court of Massachusetts, the Massachusetts Appeals Court, and the First, Second, Third, Eighth, Ninth, Tenth, Eleventh, Federal, and District of Columbia Circuits

Practice Areas Explained

Mark C. Fleming's Areas of Practice

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

Intellectual Property

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

Mark C. Fleming is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Massachusetts →

Jurisdictional Context

Why local counsel matters in Massachusetts

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

Looking for additional Massachusetts attorneys? Browse all attorneys in Boston or all attorneys in Massachusetts.

Frequently Asked

Common questions about Mark C. Fleming

Where is Mark C. Fleming's law office located?
Mark C. Fleming's law practice is located in Boston, Massachusetts. The firm is Wilmer Cutler Pickering Hale and Dorr LLP. You can contact the office directly through this profile page.
What practice areas does Mark C. Fleming handle?
Mark C. Fleming focuses on ip. Each practice area listed reflects experience handling cases of that type in Massachusetts.
Where did Mark C. Fleming go to law school?
Mark C. Fleming earned their education at (J.D., 1997); (BA, 1994).
How can I contact Mark C. Fleming for a consultation?
You can contact Mark C. Fleming 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.
What awards or recognition has Mark C. Fleming received?
Mark C. Fleming's notable recognition includes: Best Lawyers in America — Litigation - Intellectual Property; Best Lawyers in America — Additional Areas of Practice:; Best Lawyers in America — Appellate Practice.

Education

J.D.
Harvard University
- 1997
BA
King's College
- 1994

Awards

Best Lawyers in America — Litigation - Intellectual Property
- 2026
Best Lawyers in America — Additional Areas of Practice:
- 2026
Best Lawyers in America — Appellate Practice
- 2026

Bar Admissions

Massachusetts, Massachusetts Bar Association

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