Antitrust Update Blog is a source of insights, information and analysis on criminal and civil antitrust and competition-related issues. Patterson Belknap’s antitrust lawyers represent clients in antitrust litigation and counseling matters, including those related to pricing, marketing, distribution, franchising, and joint ventures and other strategic alliances. We have significant experience with government civil and criminal/cartel investigations, providing the unique perspectives of former top
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Practice Expertise
- Alternative Dispute Resolution
- Complex Commercial Actions
- Antitrust
- Intellectual Property Litigation
Areas of Practice
- Alternative Dispute Resolution
- Antitrust
- Complex Commercial Actions
- Intellectual Property Litigation
- Law Firm Defense
- Litigation
- Media, Entertainment and Sports
- Structured Finance Workouts and Litigation View More
WSG Practice Industries
Profile
David Kleban is a Partner in the firm’s Litigation department, where he represents clients in a variety of litigation contexts from pre-suit investigation through appeal and judgment collection. Mr. Kleban has assisted major media entities in the enforcement of their intellectual property rights in news content. He has also advised and represented investment firms and monoline insurers regarding claims concerning mortgage-backed securities. He has represented clients in SEC and CFTC investigations, among other complex investigations and lawsuits.
Representative Matters
Enforcement of intellectual property rights in news content on behalf of major media entities.
Prosecution of fraud and breach-of-contract claims on behalf of monoline insurers against sponsors and originators of mortgage-backed securities.
Representation of an innovator pharmaceutical company in connection with patent claims against the manufacturer of a biosimilar version of the innovator’s blockbuster drug.
Defense of claims against a non-profit organization relating to U.S. government-sponsored medical experiments in the 1940s.
Guidance to investors in mortgage-backed securities, including analysis of procedural and substantive litigation considerations.
Representation of a company and its founder in an SEC investigation and administrative proceeding concerning alleged violations of securities law, resulting in favorable settlement of the claims.
Representation of a European bank in connection with an industry-wide investigation and private class action suit concerning alleged manipulation of a benchmark rate used for interest rate swaps and swaptions.
Pro bono prosecution of negligence claims on behalf of tenants affected by a seven-alarm fire in New York’s Chinatown.
Bar Admissions
- U.S. Supreme Court
- U.S. Court of Appeals, Second Circuit
- U.S. District Court, Eastern District of New York
- U.S. District Court, Southern District of New York
- U.S. District Court, District of Colorado
- New York
Education
- Harvard Law School (J.D., cum laude, 2012)
- Duke University (B.A., magna cum laude, 2007)
- Phi Beta Kappa
Areas of Practice
- Alternative Dispute Resolution
- Antitrust
- Complex Commercial Actions
- Intellectual Property Litigation
- Law Firm Defense
- Litigation
- Media, Entertainment and Sports
- Structured Finance Workouts and Litigation
Professional Career
Professional Activities and Experience
- MEMBERSHIPS: Board Member, Brooklyn Legal Services Corporation A (2024-present)
- RECOGNITIONS: Named to Best Lawyers: One to Watch 2025 in the areas of Litigation: Antitrust and Litigation: Intellectual Property
Articles
- Co-Author, "Trends in Class Certification," GCR's US Courts Annual Review, Fourth Edition (July 28, 2023)
- Co-Author, "Trends in Class Certification," GCR’s US Courts Annual Review, Third Edition (June 24, 2022)
- Contributor to www.AntitrustUpdateBlog.com
- Co-Author, "Trends in Class Certification," GCR's US Courts Annual Review, Second Edition (July 19, 2021)
Blogs
Antitrust Update
Antitrust Update Blog is a source of insights, information and analysis on criminal and civil antitrust and competition-related issues. Patterson Belknap’s antitrust lawyers represent clients in antitrust litigation and counseling matters, including those related to pricing, marketing, distribution, franchising, and joint ventures and other strategic alliances. We have significant experience with government civil and criminal/cartel investigations, providing the unique perspectives of former...
Data Security Law Blog
DataSecurityLaw.com is the firm’s resource for the latest news, analysis, and thought leadership in the critical area of privacy and cybersecurity law. Patterson Belknap’s Privacy and Data Security practice provides public and private enterprises, their leadership teams and boards with comprehensive services in this critical area. Our team of experienced litigators, corporate advisors and former federal and state prosecutors advises on a broad range of privacy and data protection matters...
Misbranded
Misbranded is Patterson Belknap’s blog covering false advertising litigation—both consumer class actions and competitor suits—with a particular focus on FDA-regulated products (foods/beverages, pharmaceuticals, cosmetics, and dietary supplements).
New York Commercial Division Decisions
The blog is a source for insights and developments related to practice in the Commercial Division of the New York State Supreme Court. This blog reviews key developments in the Commercial Division, including important decisions handed down by the Commercial Division and appellate court decisions reviewing Commercial Division decisions. The blog also covers changes and proposed changes to Commercial Division rules and practice, including revisions to the rules since January 2015. The...
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