Mark R. Leslie
About Mark R. Leslie
Mark R. Leslie is a lawyer based in Pittsburgh, PA and has been recognized in The Best Lawyers in America® since 2024. Mark R. Leslie is recognized in the following practice areas:
- Pittsburgh, Pennsylvania
- Litigation - Intellectual Property
- Patent Law
- Trademark Law
Current Firm: K&L Gates LLP
Education: Vanderbilt University, J.D., graduated 1990
Location: Pittsburgh, PA
It takes just a few minutes to optimize your profile for prospective clients and lawyers ready to refer.
Log in to your account or continue as a guest to view annual subscription pricing.
Nearby Lawyers
Efrem M. Grail is a lawyer recognized by Best Lawyers in the practice area of Criminal Defense: White-Collar. Efrem M. practices law in Pittsburgh, Pennsylvania Best Lawyers has recognized Efrem M. Grail since 2008. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Efrem M. Grail is held by other lawyers.
Michael P. Thomas is a lawyer recognized by Best Lawyers in the practice area of Trusts and Estates. Michael P. practices law in Erie, Pennsylvania Best Lawyers has recognized Michael P. Thomas since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Michael P. Thomas is held by other lawyers.
Roger H. Taft is a trial lawyer at MacDonald Illig whose primary areas of practice are employment litigation, including employment discrimination and wrongful discharge cases, and complex commercial litigation. In his litigation practice, Mr. Taft represents clients in federal and state courts throughout Pennsylvania, New York, and Ohio, as well as in federal courts throughout the United States. Mr. Taft enjoys travel, golf, and Harley-Davidson motorcycles.
Mark J. Kuhar is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Litigation - Labor and Employment. Mark J. practices law in Erie, Pennsylvania Best Lawyers has recognized Mark J. Kuhar since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Mark J. Kuhar is held by other lawyers.
Mr. O’Connor has been a member of the firm for 20 years. His practice is devoted to the representation of physicians and hospitals in medical malpractice cases. Brian also represents health care providers in litigation before the Pennsylvania State Board of Medicine. Mr. O’Connor has tried over 45 jury trials on behalf of physicians and hospitals throughout the counties of Western Pennsylvania and the Federal District Court in Pittsburgh and Erie. Mr. O’Connor has participat...
Thomas S. Jones is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. Thomas S. practices law in Pittsburgh, Pennsylvania Best Lawyers has recognized Thomas S. Jones since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Thomas S. Jones is held by other lawyers.
Samuel H. Simon is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. Samuel H. practices law in Pittsburgh, Pennsylvania Best Lawyers has recognized Samuel H. Simon since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Samuel H. Simon is held by other lawyers.
Colleen R. Stumpf is a lawyer recognized by Best Lawyers in the practice areas of Real Estate Law and Trusts and Estates. Colleen R. practices law in Erie, Pennsylvania Best Lawyers has recognized Colleen R. Stumpf since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Colleen R. Stumpf is held by other lawyers.
Ira Weiss is a lawyer recognized by Best Lawyers in the practice areas of Education Law and Municipal Law. Ira practices law in Pittsburgh, Pennsylvania Best Lawyers has recognized Ira Weiss since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Ira Weiss is held by other lawyers.
Kirk B. Burkley is a lawyer recognized by Best Lawyers in the practice areas of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law, Commercial Litigation, Litigation - Bankruptcy and Real Estate Law. Kirk B. practices law in Pittsburgh, Pennsylvania Best Lawyers has recognized Kirk B. Burkley since 2011. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professiona...
Explore and Learn
What AI Visibility Means for Lawyers
by Josh Rupall and Bryan Driscoll
AI tools increasingly interpret lawyers public information. Clear, consistent and credible sources help ensure they describe legal expertise accurately.
The Best Lawyers in Canada 2027: Recognizing the Nation's Top Legal Talent
by Jamilla Tabbara
Honoring established leaders and rising practitioners across Canada's legal profession.
2027 Best Lawyers Awards: Honoring Excellence in the Legal Profession
by Jamilla Tabbara
Recognizing the outstanding attorneys leading top practice areas nationwide.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
Who Can Override a Power of Attorney?
by Bryan Driscoll
A power of attorney carries real legal authority, but it isn't absolute. Here's who can step in to revoke, restrict or set it aside.
How to Get an Eviction Off Your Record
by Bryan Driscoll
Whether an eviction can be removed, sealed or corrected depends on your state, your case and where the record appears.
Inside the 2027 Best Lawyers Awards in Chile, Colombia and Puerto Rico
by Jamilla Tabbara
A closer look at the research process, methodology and key statistics behind the 2027 editions.
How Peer Review Works: Best Lawyers Methodology Explained
by Jamilla Tabbara
Understanding the independent, data-driven framework that defines professional legal standing.
How to Optimize Your Best Lawyers Profile for AI Search
by Everett Sizemore
Learn how a complete, well-structured Best Lawyers profile can strengthen your visibility and accuracy across AI search platforms.