Firm PROFILE
Oberdier Ressmeyer LLP
USA 2026
Rankings
Leading firm in USA 2026
Ranked Department
Ranked Department
Top figures
2
Partners
2011
Established Year
Content provided by Oberdier Ressmeyer LLP
Overview
Provided by Oberdier Ressmeyer LLP
Oberdier Ressmeyer LLP is a New York litigation boutique whose two partners prevail against opponents represented by the largest national and international firms. The firm takes lead-counsel roles in high-stakes commercial disputes from $15 million to over $1 billion, with a particular concentration in cross-border litigation and international arbitration. Both partners personally handle every matter, from strategy through trial and appeal.
Industry sectors (9)
- Private Equity and Venture Capital
- Semiconductors
- Broadcasting and Media
- Pharmaceutical
- Real Estate and Construction
- Financial Services
- Infrastructure
- Telecommunications
- Government and State-Owned Enterprises
Capabilities (11)
- Complex commercial litigation
- International arbitration (ICDR, HKIAC, ICC)
- Cross-border and conflicts-of-laws disputes
- Enforcement of foreign judgments and arbitral awards
- Partnership, LLC, private equity, and venture capital disputes
- Real estate and construction litigation
- RICO claims and defense
- Bankruptcy, adversary proceedings, and cross-border insolvency
- Trademark, trade secret, and unfair-competition disputes
- White-collar criminal trial consulting (Economic Espionage Act, RICO)
- Expert-witness engagements on U.S., New York, Delaware, and California law
Key people
Provided by Oberdier Ressmeyer LLP
Carl Oberdier
Partner
Kellen Ressmeyer
Partner
Work & experience
Provided by Oberdier Ressmeyer LLP
The firm concentrates on complex commercial litigation, international arbitration, and cross-border disputes, frequently for Chinese, Hong Kong, Latin American, and European clients in U.S. courts and before the ICDR, HKIAC, and ICC. It has recently defeated a billion-dollar RICO claim, a nine-figure arbitration demand, and it serves as strategic counsel in two of the largest U.S. corporate criminal proceedings of recent years.
Notable work
Provided by Oberdier Ressmeyer LLP
Lego Summit Co. Ltd. v. YWA-Amsterdam LLC
2025Ongoing
Defeated a preliminary injunction and attachment in a $33M Manhattan development dispute.
AECOM Tech. Servs., Inc. v. Crédit Agricole CIB
2023Completed
Intervened for the rail concessionaire and defeated bid to enjoin letter-of-credit draws on the Bogotá rail project.
Ranked Offices at Oberdier Ressmeyer LLP
Provided by Oberdier Ressmeyer LLP
Ranked Departments at Oberdier Ressmeyer LLP (1)
Top figures
2
Partners
2011
Established Year
Content provided by Oberdier Ressmeyer LLP
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