Side-by-side on the metrics that actually drive the student's call. Sources: Vault 2027, AmLaw 200 FY2025, and reported Chambers records from the years shown.
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Est. 2005 · merger
DLA Piper LLP (US) is a 2,000-plus-attorney global firm, AmLaw #3. Jurisdiction-specific Chambers rankings include Band 1 in Artificial Intelligence, Corporate/M&A, and Franchising. Operates from 88 offices worldwide.
Est. 2024 · merger
A&O Shearman LLP is a 2,000-plus-attorney global firm. Jurisdiction-specific Chambers rankings include Band 1 in Environment: Mainly Transactional, Litigation: Securities, and Mining & Metals. Operates from 48 offices worldwide.
Shared results are listed once. Green marks only a lower reported Chambers band for the same exact practice, market and year. Records with a missing year or market are not compared. Historical records are retained; individual ranking verification status is not available.
Shared rankings
Rank differences
Data sources: Vault 2027, AmLaw 200 FY2025, and reported Chambers records from the years shown. Chambers record counts can span years and reporting coverage varies; missing years or markets are not compared. Current Chambers bands were checked against each firm’s Chambers profile on Sep 26, 2026; where Chambers splits a table, every Elite firm ranks above every Highly Regarded firm. Missing values shown as “-”.
Firm-only and additional rankings remain available on each firm profile so missing coverage is not mistaken for a head-to-head loss.