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Gretchen L. Geisser Petersen - Allentown, PA

645 West Hamilton StreetSuite 800 Allentown, PA 18101

Super Lawyers®


Updated: 02/09/2023



Gretchen L. Geisser Petersen is a shareholder in the Firm's Litigation & Trial Practice group. Her practice focuses on civil litigation, including commercial litigation, real estate litigation, landlord-tenant law, personal injury, bankruptcy and creditor's rights and employment litigation...

About Gretchen L. Geisser Petersen

Current Employment Position(s)

  • Shareholder

Practice Areas


Representative Clients

  • Successfully obtained numerous verdicts in breach of contract matters, including a full defense, multi-million dollar jury verdict
  • Following a multi-day trial, successfully attained a full reversal of attempted imposition of tax on a nonprofit organization
  • Represented numerous residential, commercial and industrial taxpayers in the appeal of real estate tax assessments. Appearances include local assessment authorities, the Courts of Common Pleas and Pennsylvania’s appeal courts
  • Advised and represented local and nationally recognized nonprofit organizations, including hospitals, universities, and charter schools on property tax exemption and business privilege tax exemptions
  • Successfully tried numerous cases for arbitration panels and achieved numerous favorable settlements
  • Successfully filed multiple Motions for Summary Judgment, leading to full dismissal of cases in both Pennsylvania and New Jersey
  • Effectively litigated tax exemption hearings and trials for multiple nonprofit organizations
  • Successfully argued Summary Judgment for dismissal of slip and fall case
  • Effectively litigated challenge to tax exemption status of major nonprofit, leading to withdraw of challenge by opposing party


Bar Admissions

  • Pennsylvania
  • New Jersey
  • U.S. Court of Appeals 3rd Circuit
  • U.S. District Court Eastern District of Pennsylvania
  • U.S. Bankruptcy Court Middle District of Pennsylvania
  • U.S. District Court District of New Jersey
  • U.S. District Court Western District of Pennsylvania

Other Affiliations

  • Bar Association of Lehigh County
  • American Bar Association
  • Bar Association of Northampton County
  • Pennsylvania Bar Association
  • The Judge Donald E. Wieand Barristers Inn, Member
  • New Jersey State Bar Association

Pro Bono Activities

  • The Judge Donald E. Wieand Barristers Inn, Member, Executive Committee
  • Southern Lehigh Chamber of Commerce, Member, Board of Directors
  • Boys and Girls Club of Easton, Member, Board of Directors
  • Muhlenberg College Board of Associates, Member

Past Positions

  • Law Clerk – The Honorable Michael J. Koury, Jr. (Northampton County Court of Common Pleas, 2011-2012)
  • Externship – The Honorable Michael M. Baylson (District Court, Eastern District of PA, 2010)
  • Internship – The Honorable Mitchell S. Goldberg (District Court, Eastern District of PA, 2010)
  • Internship – The Honorable James J. Fitzgerald, III (Superior Court of Pennsylvania, 2009)


  • Villanova University School of Law, Villanova, Pennsylvania
    Honors: cum laude
    Honors: Dean's Merit Scholarship
    Honors: Villanova Law Moot Court Board - Executive Committee, Reimel Evaluator
  • Muhlenberg College, 2008
    Honors: magna cum laude
    Honors: Dana Scholar (Academic Honors Program)
    Honors: Presidential Scholarship
    Honors: The George H. Hambrecht School Award
    Major: Biology

Fraternities and Sororities

  • Phi Beta Kappa


Accepts Credit Cards

Office Information


645 West Hamilton StreetSuite 800 Allentown, PA 18101


  • 610-797-6663

Office Hours

8:30 - 5:00 (M-Th); 8:00 - 4:30 (F)


Other Sources of Feedback About Gretchen L. Geisser Petersen


  • Named a “Select Lawyer” in Bankruptcy & Creditor’s Rights Law, Commercial Litigation and General Civil Litigation, 2014
  • Named a “Select Lawyer” in Bankruptcy & Creditor’s Rights Law, 2015-2017

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