Jeffrey Warshafsky > Proskauer Rose LLP > New York, United States > Lawyer Profile
Proskauer Rose LLP Offices

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NEW YORK, NEW YORK 10036-8299
NEW YORK
United States
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Jeffrey Warshafsky

Work Department
Litigation
Position
Jeff Warshafsky is a partner in Proskauer’s Litigation Department. A versatile commercial litigator and strategic advisor, Jeff specializes in consumer class actions, sports litigation, false advertising, trademark, and other intellectual property disputes.
Jeff defends companies in connection with consumer class actions involving advertising and privacy issues. He has handled dozens of class actions around the country for multinational companies across diverse sectors including consumer product companies, retailers, and sports leagues. Jeff also counsels clients to avoid being targeted in such actions, helps them respond to demand letters from plaintiffs’ counsel, and negotiates resolutions.
Additionally, Jeff represents clients in competitor versus competitor advertising disputes, including in Lanham Act cases and advertising self-regulation disputes before the National Advertising Division and the National Advertising Review Board. He also counsels companies on advertising substantiation issues, with an emphasis on complex scientific testing, such as clinical trials and sensory testing. Jeff regularly advises major sports leagues on complex business disputes.
Jeff maintains a robust pro bono immigration practice, assisting clients with asylum and U-Visa applications and in connection with removal proceedings. In addition to his active practice, Jeff is an editor of and contributor to the Firm’s false advertising blog.
Lawyer Rankings
United States > Media, technology and telecoms > Advertising and marketing: litigation
(Next Generation Partners)Lanham Act disputes and advertising challenges before the NAD and NARB are key expertise of Proskauer Rose LLP. The New York-based practice also represents clients from a range of sectors in false advertising claims, marketing and unfair competition claims, and IP disputes. Leading the team is Baldassare Vinti, who is adept in IP litigation with a focus on advertising and patent law andexperience handling cases in federal and state courts, as well as before the Patent Trial and Appeal Board, the International Trade Commission, and international arbitration tribunals. Other key members of the team are Jeffrey Warshafsky – who specializes in consumer class actions, sports litigation, false advertising, and IP disputes – and Jennifer Yang – who concentrates on false advertising claims and IP disputes. They are both regularly involved in representing clients before the NAD and NARB. The practice has notably had four partners join the team in 2023, Erik Milch and Joseph Drayton from Cooley LLP; and Grant Esposito and David Fioccola from Morrison Foerster.
Lawyer Rankings
- Next Generation Partners United States > Media, technology and telecoms > Advertising and marketing: litigation
- Advertising and marketing: litigation United States > Media, technology and telecoms
Top Tier Firm Rankings
- Labor and employment > Employee benefits, executive compensation and retirement plans: design
- Labor and employment > Labor and employment disputes (including collective actions)
- Labor and employment > Labor-management relations
- Industry focus > Sport
- Labor and employment > Workplace and employment counseling
Firm Rankings
- Media, technology and telecoms > Advertising and marketing: litigation
- Insurance > Advice to policyholders
- Investment fund formation and management > Alternative/hedge funds
- Labor and employment > Employee benefits, executive compensation and retirement plans: transactional
- Labor and employment > ERISA litigation
- Dispute resolution > General commercial disputes
- Tax > International tax
- Tax > Not-for-profit (Fortune 1000 private foundations, national trade associations, and charities)
- M&A/corporate and commercial > Private equity buyouts: middle-market (Up to $500m)
- Investment fund formation and management > Private equity funds (including venture capital)
- Real estate > Real estate
- Real estate > Real estate investment trusts (REITs)
- Tax > US taxes: non-contentious
- Intellectual property > Copyright
- Media, technology and telecoms > Cyber law (including data privacy and data protection)
- Labor and employment > Immigration
- Media, technology and telecoms > Media and entertainment: litigation
- Finance > Restructuring (including bankruptcy): corporate
- Antitrust > Civil litigation/class actions: defense
- Dispute resolution > Corporate investigations and white-collar criminal defense
- Environment > Environment: transactional
- Dispute resolution > Leading trial lawyers
- Healthcare > Life sciences
- Media, technology and telecoms > Media and entertainment: transactional
- Investment fund formation and management > Mutual/registered/exchange-traded funds
- Dispute resolution > Securities litigation: defense
- Healthcare > Service providers
- Media, technology and telecoms > Technology transactions
- Intellectual property > Trade secrets (litigation and non-contentious matters)
- Intellectual property > Trademarks: litigation
- M&A/corporate and commercial > M&A: large deals ($1bn+)
- Real estate > Real estate finance
- Dispute resolution > Appellate: courts of appeals / Appellate: supreme courts (states and federal)
- Finance > Commercial lending