Arnold & Porter

The Washington, DC-based Arnold & Porter advises clients across the full lifecycle of federal government contracts. The team is particularly well known for its work in national security, cybersecurity, classified matters, as well as for its litigation strength in high-stakes bid protests, claims and contract disputes. Beyond traditional procurement, the group is also recognised for its counsel on grants, cooperative agreements and non-procurement funding vehicles. Practice head Kara Daniels focuses on bid protests, contract disputes, investigations and grants compliance. Craig Holman is noted for his work on bid protests, claims, prime-subcontractor disputes and APA litigation. Kristen Ittig is well versed in reverse-FOIA litigation, Buy America advice and supply chain management. Michael McGill brings extensive expertise to M&A transactions involving government contractors, while Sonia Tabriz is frequently called upon in matters relating to cost accounting and security compliance. Michael Barnicle departed the firm in May 2025.