ENDGAME STRATEGIES, LLC

• AMAZON.COM SERVICES, INC. $290,000 7 filings
• COZEN O'CONNOR $285,000 7 filings
• UNIFIED PATENTS, LLC $140,000 7 filings
• ASSOCIATION OF ACCESSIBLE MEDICINES $120,000 3 filings
• INSTITUTE FOR JUSTICE $100,000 7 filings
• CAMPAIGN FOR SUSTAINABLE DRUG PRICING (CSRXP) $30,000 2 filings
• AMERICAN LAW INSTITUTE $25,000 3 filings

• STEVEN DUFFIELD 34 filings · through 2026 Senate Republican Conference (Policy Director); Senate Republican Policy Committee (Deputy Staff Director; Judiciary Policy Analyst/Counsel)

A lobbyist who previously held a covered government position must disclose it. We flag the ones whose name resolves to a member of Congress and link the ones still in our roster. The revolving door collects them across every firm.

• 2026 $395,000 17 filings
• 2025 $595,000 19 filings

• Copyright/Patent/Trademark 15
• Constitution 13
• Civil Rights/Civil Liberties 10
• Foreign Relations 7
• Labor Issues/Antitrust/Workplace 7
• Health Issues 4
• Law Enforcement/Crime/Criminal Justice 3
• Taxation/Internal Revenue Code 2

The count is how many filings named that issue area. A filing reports one lump figure covering every issue on it, so the money above cannot be split between them.

• SENATE 31
• HOUSE OF REPRESENTATIVES 10
• Executive Office of the President (EOP) 4
• Federal Trade Commission (FTC) 1