Credentials
Practice History
Principal, Thallner Law, 2025 — Present
Partner, Reed Smith, 1995 — 2024 (29 Years)
Senior Associate, Saul Ewing, 1993 — 1995 (3 years)
Associate, Drinker Biddle & Reath, 1986 — 1992 (6 years)
Licensed to Practice
Pennsylvania
New Jersey
Arizona
Court Admissions
U.S. District Court - Eastern District of Pennsylvania
U.S. District Court - District of New Jersey
U.S. Court of Appeals - Sixth Circuit
Awards *
Ranked Band 1 in Chambers USA for Pennsylvania Healthcare, 2014-2024. Respondents tell Chambers that “Karl is among the best healthcare lawyers … unmatched in the Pennsylvania market,” and “Karl provides very sophisticated counsel while also considering the commercial practicalities of the given scenario.” [Selection methodology]
Selected through peer review for inclusion in The Best Lawyers in America© for Health Care Law, 2001-2025, and Qui Tam Law, 2023-2024 [Selection methodology]
Received the Best Lawyers™ 2013 Health Care Law "Lawyer of the Year" award in Philadelphia [Selection methodology]
Designated as 2009 Outstanding Healthcare Transaction Lawyer in the United States by Nightingale's Healthcare News
For each year since 1997, Karl has been awarded the AV® Preeminent rating by the Martindale-Hubbell Law Directory, reflecting the highest possible peer review rating in legal ability and ethical standards [Selection methodology]
* No aspect of this advertisement has been approved by the Supreme Court of New Jersey.
Education
Pennsylvania State University, The Dickinson School of Law, 1986, J.D., cum laude, Editorial Board of the Dickinson Law Review; Woolsack Honor Society
Carnegie Mellon University, 1982, M.S., Chemical Engineering
Gettysburg College, 1980, B.A., cum laude, Departmental Honors in Chemistry
Community and Industry Involvement
Vice Chair of the Board of Trustees of Harcum College, a nonprofit institution of higher education in Eastern Pennsylvania
Member of Advisory Board of the health law program at Drexel University School of Law
Former Practice Group Leader and d-list moderator of the Teaching Hospitals and Academic Medical Centers practice group of the American Health Lawyers Association