All lobbying filings

MAYER BROWN LLP

Lobbying for SYENSQO USA LLC · Chemical manufacturing company.

Filing Registration

Reporting period

4th Quarter 2025

Oct 1 - Dec 31 · Posted Jan 20, 2026

Money reported

None

Registrations and no-activity reports carry no figure.

Client based in

New Jersey

Official filing document

Lobbyists on this filing 3

DANIEL HARDER New on this filing

Previously held: Staff Assisant/Clerk - House Ways and Means 2014; Legislative Director - Rep. Mike Bishop 2015-2018.
WARREN PAYNE New on this filing

Previously held: U.S. Intl Comm: Trade Analyst, 2002-04; Economic Advisor, 2004-07; House Ways and Means Committee: Trade Economist, 2007-09; Sr. Economist/Trade Advisor, 2009-11; Chief Economist, 2011-13; Policy Director, 2012-15
TIMOTHY J KEELER ESQ New on this filing

Previously held: USTR, Chief of Staff, 2006-2009 US Treasury Department, Deputy to the Assistant Secretary of Legislative Affairs, 2001-2006 Presidential Transition Team, Policy Analyst, 2000-2001 Senate Finance Committee, Professional Staff, 1997-2000

A "covered position" is a government job the lobbyist held in the 20 years before registering, which the law requires them to name. See the revolving door for former members of Congress across all filings.

Lobbying activity 1

Trade (domestic/foreign)

General issues related to Investigation 337-1439 Certain Polyvinylidene Fluoride Resins.

Foreign interests disclosed 1

Section 7 of the LD-2: foreign entities that own part of the client, paid toward this lobbying, or stand to benefit from it.

SYENSQO SA

Belgium · Brussels · owns 100% of the client · contributed $0.00

Source: federal Lobbying Disclosure Act filing, reproduced as filed. Bills are parsed from the activity descriptions.