Office Location

99 Park Avenue
New York, NY 10016
T 212.286.8585
F 212.490.8966

Areas of Practice

Medical Liability Defense

Appellate Practice

Products Liability & Mass Tort


Fordham University School of Law: JD: 1989
Dickinson College: BA: 1986

Bar Admissions

New York
United States Court of Appeals for the Second Circuit
United States District Court, Eastern District of New York
United States District Court, Southern District of New York


Daniel S. Ratner


Daniel S. Ratner is a senior partner at HPM&B and heads its Appellate Practice group.

Dan joined the firm in 1994 after serving for five years as an assistant district attorney in the Appeals Bureau of the Bronx District Attorney’s Office. He represents pharmaceutical and medical device companies, hospitals, and individuals in the defense of product liability and medical liability actions. He has briefed and argued more than 300 reported civil and criminal appeals in the United States Courts of Appeals, the New York Court of Appeals, the Connecticut Supreme Court, and the state intermediate appellate courts. He regularly appears in the Appellate Division, First and Second Departments. Dan is frequently retained to handle appeals based on his 33 years of experience in those courts and his ability to quickly analyze a matter and provide a fresh perspective to clients.

Mr. Ratner works closely with the firm’s trial attorneys in developing legal strategies focused on early dispositions. Dan also handles complex, substantive motions in the trial courts at all stages of litigation, including pre-Answer, discovery, summary judgment, trial, and post-trial motions. In the appellate courts, he has successfully challenged several multi-million-dollar jury verdicts based on legal errors, insufficient evidence, and excessive damages.

He also assists clients with risk management issues and in interpreting recent and proposed legislation and regulations that may affect their interests.

Since 2012, Dan has been annually nominated by his peers as a Best Lawyer in America®️ in the areas of Appellate Law and Product Liability Litigation and as a Super Lawyer®️ in the area of Appellate Litigation.

Mr. Ratner has authored numerous articles and treatises, and he frequently presents lectures to clients, bar groups and his colleagues at the firm regarding legal developments.

Dan served as the Firm’s Managing Partner from 2000-2022. He currently serves on the Firm’s Executive Committee and Finance Committee.

Selected for Best Lawyers 2024

Verdicts & Cases

Summary Judgment in High Exposure Medical Malpractice Case Affirmed on Appeal

The Appellate Division, First Department recently affirmed the dismissal of a multi-million-dollar claim by a plaintiff who needed a quadruple amputation after developing urosepsis. In the Supreme Court, Bronx County and on appeal, a team of HPMB...

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Super Lawyers


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2024 Best Laywers & 2024 Best Laywers: Ones to Watch

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2024 Best Lawyers

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HPMB Obtains Summary Judgment on behalf of Hospital and Emergency Room Physician on Appeal

HPMB Obtains Summary Judgment on behalf of Hospital and Emergency Room Physician on Appeal   Reversing a lower court, the Appellate Division, First Department awarded summary judgment in favor of a major NY metropolitan area hospital and an...

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Summary Judgment Granted

HPM&B successfully obtained summary judgment dismissal of...

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Change of Venue Ordered By New York's Highest Court

HPM&B, representing a large Westchester County medical group,...

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Summary Judgment Dismissal

HPM&B successfully obtained summary judgment dismissal of all claims against a prominent Westchester County teaching hospital in a brain damaged baby case. Plaintiff claimed that the defendants failed to timely diagnose fetal distress and...

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On Appeal From an $8.3 Million Judgment, New Trial Ordered In New York Personal Injury Action

HPM&B’s client, a public utility, was granted a new trial on damages on the ground that a Brooklyn trial court erred in instructing the jury that defendant had the burden of proving that the automobile accident in question did not cause the...

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Appellate Division Reaffirms The Limits of a Private Hospital’s Duty of Care in Non-Emergent Circumstances

The Appellate Division, First Department, overturned a lower court’s decision refusing to dismiss a medical malpractice suit claiming that HPM&B’s client, a private hospital, delayed outpatient therapy following emergency hand surgery,...

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