Daniel O. Dietchweiler


Daniel O. Dietchweiler


E-mail: ddietchweiler@pmtlawfirm.com
Offices: Elmsford, NYNorwalk, CT

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Dan is an accomplished litigator with a practice that focuses on insurance coverage, labor and employment, professional liability, commercial litigation, appellate practice, and complex claim resolution.

For over two decades, Dan has litigated insurance coverage disputes and regularly counsels insurance carriers and provides coverage opinions regarding issues such as bad faith claims, disclaimers of coverage, coverage allocation, and policy interpretation.  Insurers seek opinions on a variety of insurance coverage disputes involving commercial general liability coverage, commercial excess coverage, professional liability coverage, personal lines coverage, aggregate exhaustion and umbrella drop down.

An experienced appellate lawyer, Dan has argued scores of appeals in both federal and state court.

Professional Affiliations

American Bar Association
Connecticut Bar Association


ABA National Appellate Advocacy Judge


New York

U.S. Court of Appeals, Second Circuit
U.S. District Court, Eastern and Southern Districts of New York


Cleveland Marshall College of Law, J.D.
Kenyon College

Articles by Daniel O. Dietchweiler

PMT Delivers a Win – This is How We Do It

By Thomas M. Bona and Daniel O. Dietchweiler. Court: United States District Court Northern District of New York Judge: Hon. Brenda K. Sannes Case Type: Action to recover funds paid for […]

Posted in News, PMT Wins | Comments Off on PMT Delivers a Win – This is How We Do It

Unprecedented Business Disruptions Caused by the COVID-19 Crisis

By Daniel O. Dietchweiler  and Marc H. Pillinger. Unprecedented business disruptions caused by the COVID-19 crisis have shuttered many non-essential businesses including retail stores, restaurants, office buildings, and other commercial […]

Posted in COVID-19, News | Comments Off on Unprecedented Business Disruptions Caused by the COVID-19 Crisis