MAYER BROWN LLP

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This entity appears on both sides of lobbying disclosures. The firm tab shows registrant-reported income; the client tab shows client-reported lobbying spend. Contract awards are separate and are not included here.

Lobbying Income

$113.7M

Filings

3,907

Unique Clients

Active Period

1999–2026

Lobbying Income by Year

Registrant-reported income from clients on LDA filings

Year	Lobbying Income	Filings	Clients
2026	$3,340,000	145	49
2025	$4,920,000	199	54
2024	$3,120,000	173	45
2023	$3,170,000	167	44
2022	$3,060,000	192	50
2021	$3,160,000	203	52
2020	$2,970,000	179	47
2019	$3,040,000	162	49
2018	$2,915,000	156	47
2017	$3,165,000	132	37
2016	$3,295,000	119	32
2015	$3,474,000	122	33
2014	$4,183,000	119	32
2013	$3,693,000	125	31
2012	$3,457,500	112	29
2011	$4,057,000	137	36
2010	$3,516,000	120	32
2009	$5,625,000	157	46
2008	$6,620,000	273	68
2007	$7,790,000	154	73
2006	$5,400,000	135	69
2005	$5,812,000	80	43
2004	$4,244,000	94	51
2003	$6,175,000	84	47
2002	$5,154,000	99	55
2001	$4,982,000	106	63
2000	$1,375,000	85	49
1999	$1,998,159	78	48

Top Clients

Largest clients by registrant-reported income

Client	Reported Income	Filings	Period
US CHAMBER OF COMMERCE	$16,733,159	89	1999–2025
AT&T SERVICES, INC.	$10,183,000	91	2001–2026
CTIA - THE WIRELESSS ASSOCIATION	$3,870,000	78	2007–2026
ARKEMA INC.	$3,480,000	81	2007–2026
SEALED AIR CORPORATION	$3,232,000	17	2003–2009
21ST CENTURY PRIVACY COALITION	$3,088,000	56	2013–2026
VERIZON COMMUNICATIONS INC AND VARIOUS SUBSIDIARIES	$2,983,000	83	2003–2026
NOVATION LLC	$2,765,000	40	2004–2014
COMPENSATION REFORM CORP	$2,120,000	5	2004–2006
MEDLINE INDUSTRIES, L.P. (FORMERLY MEDLINE INDUSTRIES, INC.)	$1,730,000	34	2018–2026
TEXAS PACIFIC GROUP	$1,580,000	14	2004–2009
IFM INVESTORS PTY LTD.	$1,380,000	40	2017–2026
UNITED STATES STEEL CORPORATION	$1,290,000	39	2015–2026
UNITED STATES TELECOM ASSOCIATION	$1,285,000	58	2007–2021
ACE LIMITED	$1,250,000	16	2000–2008
CAITHNESS ENERGY	$1,220,000	24	2014–2019
U.S. VENTURE, INC. (FORMERLY U.S. OIL)	$1,210,000	35	2018–2026
COALITION FOR PATENT FAIRNESS, INC.	$1,200,000	16	2006–2011
SUNIVA, INC.	$1,150,000	35	2017–2026
ONSEMI (ON SEMICONDUCTOR CORPORATION)	$1,140,000	12	2024–2026
MERRILL LYNCH & CO INC	$1,090,000	10	2006–2008
PFIZER, INC.	$1,020,000	14	2002–2008
GLOBALFOUNDRIES U.S. INC.	$1,010,000	17	2021–2025
GRAND HOTEL COMPANY INC	$970,000	31	2006–2014
FREEDOM HOLDING CORP	$940,000	8	2024–2026

Government Bodies Lobbied

Government entities explicitly identified as targets in LDA filings

Government Body	Filings
HOUSE OF REPRESENTATIVES	2,032
SENATE	1,999
Treasury, Dept of	285
U.S. Trade Representative (USTR)	263
Commerce, Dept of (DOC)	117
White House Office	92
State, Dept of (DOS)	79
Health & Human Services, Dept of (HHS)	67
Executive Office of the President (EOP)	55
Consumer Financial Protection Bureau (CFPB)	54
Securities & Exchange Commission (SEC)	51
Environmental Protection Agency (EPA)	35
Defense, Dept of (DOD)	29
Justice, Dept of (DOJ)	29
Labor, Dept of (DOL)	26
Transportation, Dept of (DOT)	26
Natl Economic Council (NEC)	23
Office of Management & Budget (OMB)	22
Federal Communications Commission (FCC)	20
Food & Drug Administration (FDA)	18

Top Issues Lobbied

Most frequently reported lobbying issues

Issue Code	Description	Reports
Taxation/Internal Revenue Code	Taxation/Internal Revenue Code	600
Trade (domestic/foreign)	Trade (domestic/foreign)	562
Telecommunications	Telecommunications	465
Government Issues	Government Issues	305
Health Issues	Health Issues	161
Energy/Nuclear	Energy/Nuclear	126
Environment/Superfund	Environment/Superfund	95
Transportation	Transportation	91
Financial Institutions/Investments/Securities	Financial Institutions/Investments/Securities	80
Banking	Banking	70
Copyright/Patent/Trademark	Copyright/Patent/Trademark	61
Consumer Issues/Safety/Products	Consumer Issues/Safety/Products	58
Accounting	Accounting	51
Insurance	Insurance	49
Defense	Defense	46
Immigration	Immigration	44
Tariff (miscellaneous tariff bills)	Tariff (miscellaneous tariff bills)	40
Real Estate/Land Use/Conservation	Real Estate/Land Use/Conservation	39
Automotive Industry	Automotive Industry	37
Manufacturing	Manufacturing	37

Bills Explicitly Cited (25)

Bill numbers found in source-reported LDA specific issue text; broad topic matches are excluded

H.R. 1623119th Congress

SCREEN Act

2026 · third_quarter · Client: 21ST CENTURY PRIVACY COALITION

Open original LDA filing ↗

Cited source text and reported amounts

Client expense: — · Firm income: $50,000

Matched citations: H.R. 1623

H.R. 6257119th Congress

SMK Act of 2025

2026 · third_quarter · Client: 21ST CENTURY PRIVACY COALITION

Open original LDA filing ↗

Cited source text and reported amounts

Client expense: — · Firm income: $50,000

Matched citations: H.R. 6257

H.R. 6291119th Congress

Children and Teens’ Online Privacy Protection Act

2026 · third_quarter · Client: 21ST CENTURY PRIVACY COALITION

Open original LDA filing ↗

Cited source text and reported amounts

Client expense: — · Firm income: $50,000

Matched citations: H.R. 6291

H.R. 6292119th Congress

Don’t Sell Kids’ Data Act of 2025

2026 · third_quarter · Client: 21ST CENTURY PRIVACY COALITION

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Cited source text and reported amounts

Client expense: — · Firm income: $50,000

Matched citations: H.R. 6292

Show 21 more cited filings

H.R. 6489119th Congress

SAFE BOTs Act

2026 · third_quarter · Client: 21ST CENTURY PRIVACY COALITION

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Cited source text and reported amounts

Client expense: — · Firm income: $50,000

Matched citations: H.R. 6489

H.R. 7757119th Congress

KIDS Act

2026 · third_quarter · Client: 21ST CENTURY PRIVACY COALITION

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Cited source text and reported amounts

Client expense: — · Firm income: $50,000

Matched citations: H.R. 7757

S. 4407119th Congress

CHATBOT Act

2026 · third_quarter · Client: 21ST CENTURY PRIVACY COALITION

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Cited source text and reported amounts

Client expense: — · Firm income: $50,000

Matched citations: S. 4407

H.R. 8255119th Congress

SAT Streamlining Act

2026 · third_quarter · Client: CTIA - THE WIRELESSS ASSOCIATION

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Cited source text and reported amounts

Client expense: — · Firm income: $50,000

Matched citations: H.R.8255

S. 3639119th Congress

SAT Streamlining Act

2026 · third_quarter · Client: CTIA - THE WIRELESSS ASSOCIATION

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Cited source text and reported amounts

Client expense: — · Firm income: $50,000

Matched citations: S.3639

H.R. 7386119th Congress

First Responder Network Authority Reauthorization Act of 2026

2026 · third_quarter · Client: AT&T SERVICES, INC.

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Cited source text and reported amounts

Client expense: — · Firm income: $60,000

Matched citations: H.R. 7386

H.R. 1024119th Congress

US-Kazakhstan Trade Modernization Act

2026 · second_quarter · Client: FREEDOM HOLDING CORP

Open original LDA filing ↗

Cited source text and reported amounts

Client expense: — · Firm income: $80,000

Matched citations: HR 1024

S. 3639119th Congress

SAT Streamlining Act

2026 · second_quarter · Client: CTIA - THE WIRELESSS ASSOCIATION

Open original LDA filing ↗

Cited source text and reported amounts

Client expense: — · Firm income: $50,000

Matched citations: S.3639

H.R. 1623119th Congress

SCREEN Act

2026 · second_quarter · Client: 21ST CENTURY PRIVACY COALITION

Open original LDA filing ↗

Cited source text and reported amounts

Client expense: — · Firm income: $50,000

Matched citations: H.R. 1623

H.R. 6257119th Congress

SMK Act of 2025

2026 · second_quarter · Client: 21ST CENTURY PRIVACY COALITION

Open original LDA filing ↗

Cited source text and reported amounts

Client expense: — · Firm income: $50,000

Matched citations: H.R. 6257

H.R. 6291119th Congress

Children and Teens’ Online Privacy Protection Act

2026 · second_quarter · Client: 21ST CENTURY PRIVACY COALITION

Open original LDA filing ↗

Cited source text and reported amounts

Client expense: — · Firm income: $50,000

Matched citations: H.R. 6291

H.R. 6292119th Congress

Don’t Sell Kids’ Data Act of 2025

2026 · second_quarter · Client: 21ST CENTURY PRIVACY COALITION

Open original LDA filing ↗

Cited source text and reported amounts

Client expense: — · Firm income: $50,000

Matched citations: H.R. 6292

H.R. 6489119th Congress

SAFE BOTs Act

2026 · second_quarter · Client: 21ST CENTURY PRIVACY COALITION

Open original LDA filing ↗

Cited source text and reported amounts

Client expense: — · Firm income: $50,000

Matched citations: H.R. 6489

H.R. 7757119th Congress

KIDS Act

2026 · second_quarter · Client: 21ST CENTURY PRIVACY COALITION

Open original LDA filing ↗

Cited source text and reported amounts

Client expense: — · Firm income: $50,000

Matched citations: H.R. 7757

S. 4407119th Congress

CHATBOT Act

2026 · second_quarter · Client: 21ST CENTURY PRIVACY COALITION

Open original LDA filing ↗

Cited source text and reported amounts

Client expense: — · Firm income: $50,000

Matched citations: S. 4407

H.R. 7386119th Congress

First Responder Network Authority Reauthorization Act of 2026

2026 · second_quarter · Client: AT&T SERVICES, INC.

Open original LDA filing ↗

Cited source text and reported amounts

Client expense: — · Firm income: $60,000

Matched citations: H.R. 7386

H.R. 1024119th Congress

US-Kazakhstan Trade Modernization Act

2026 · first_quarter · Client: FREEDOM HOLDING CORP

Open original LDA filing ↗

Cited source text and reported amounts

Client expense: — · Firm income: $80,000

Matched citations: HR 1024

H.R. 1119th Congress

An act to provide for reconciliation pursuant to title II of H. Con. Res. 14.

2026 · first_quarter · Client: U.S. VENTURE, INC. (FORMERLY U.S. OIL)

Open original LDA filing ↗

Cited source text and reported amounts

Client expense: — · Firm income: $40,000

Matched citations: H.R. 1

S. 3639119th Congress

SAT Streamlining Act

2026 · first_quarter · Client: CTIA - THE WIRELESSS ASSOCIATION

Open original LDA filing ↗

Cited source text and reported amounts

Client expense: — · Firm income: $50,000

Matched citations: S.3639

H.R. 1623119th Congress

SCREEN Act

2026 · first_quarter · Client: 21ST CENTURY PRIVACY COALITION

Open original LDA filing ↗

Cited source text and reported amounts

Client expense: — · Firm income: $50,000

Matched citations: H.R. 1623

H.R. 6257119th Congress

SMK Act of 2025

2026 · first_quarter · Client: 21ST CENTURY PRIVACY COALITION

Open original LDA filing ↗

Cited source text and reported amounts

Client expense: — · Firm income: $50,000

Matched citations: H.R. 6257

Source: Senate LDA

MAYER BROWN LLP — Lobbying Disclosure | Poliscope