Karl A. Thallner, Jr.

Jennifer B. Hirneisen is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Jennifer B., who practices law in Erie, Pennsylvania, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer B. is held by other top lawyers in the same geographic and legal practice area.

Area of Emphasis Chip Babst is Chairman of the Firm and is a member of the Environmental and Energy and Natural Resources groups. Mr. Babst has more than 40 years of experience in providing counsel on environmental matters to both private and public clients. Mr. Babst is a nationally-recognized authority on Clean Air Act issues and has handled complex permitting and compliance issues at federal, state and local levels throughout the United States. His experience in dealing with federal and st...

Bob is a senior Shareholder with Dentons Cohen & Grigsby in Pittsburgh, where he previously served as the Chair of the Firm’s 45+ lawyer Litigation Group for five years. Bob is a graduate of Brown University and Columbia University’s School of Law and focuses his practice on complex commercial litigation, banking and lender liability litigation, non-compete/trade secret issues, intellectual property and employment law. He is licensed in both Pennsylvania and California and has...

Area of Emphasis Max Junker is a shareholder in the Public Sector, Energy and Natural Resources, and Employment and Labor groups of Babst Calland. He is currently the chair of the Firm’s Public Sector Group and is on the Firm’s Board of Directors. Mr. Junker has served as a municipal and school district solicitor for several years, and he is currently the solicitor for the Borough of Franklin Park, Borough of Bell Acres, and O’Hara Township Zoning Hearing Board. He is also t...

James M. Berent is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. James M., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James M. is held by other top lawyers in the same geographic and legal practice area.

Scott D. Clements is a top attorney recognized by Best Lawyers in the practice area(s) of Railroad Law. Scott D., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Scott D. is held by other top lawyers in the same geographic and legal practice area.

R. Henry Moore is a top attorney recognized by Best Lawyers in the practice area(s) of Mining Law and Natural Resources Law. R. Henry, who practices law in Pittsburgh, Pennsylvania, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which R. Henry is held by other top lawyers in the same geographic and legal practice area.

Area of Emphasis Mark Dausch is a shareholder and past co-chair of the Litigation Group of Babst Calland. He is an experienced trial lawyer who concentrates his practice on energy and environmental litigation. As lead trial counsel, Mr. Dausch has tried several high-stakes lawsuits in federal, state and administrative courts, as well as before arbitration panels. His trial work includes successfully representing businesses in multiple complex energy and environmental trials involving claims i...

Michael J. Sweeney is a top attorney recognized by Best Lawyers in the practice area(s) of Oil and Gas Law and Product Liability Litigation - Defendants. Michael J., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael J. is held by other top lawyers in the same geographic and legal practice area.

Attorney Ambrose is a graduate of the University of Michigan and earned his Juris Doctor from the University of Cincinnati College of Law. He is the senior partner at The Ambrose Law Firm in Erie, Pennsylvania. His practice is devoted to litigation, with a primary focus on Criminal Defense: General Practice and Criminal Defense: White-Collar. He also has extensive experience in complex civil litigation, including plaintiffs’ medical malpractice and commercial disputes, in both state and...