All lobbying filings

Mayer Brown LLP

Mayer Brown LLP filed a Q3 amendment for Onsemi (On Semiconductor Corporation) on October 20, 2025, reporting $110,000 in lobbying income.

Lobbying for Onsemi (On Semiconductor Corporation) · Semiconductor supplier company.

As filed: MAYER BROWN LLP for ONSEMI (ON SEMICONDUCTOR CORPORATION).

All filings by Mayer Brown LLP · Everything Onsemi (On Semiconductor Corporation) has reported

Filing · LD-2 quarterly report Q3 amendment

Reporting period

3rd Quarter 2025

July 1 - Sep 30 · Posted Oct 20, 2025

Income

$110,000

What the client paid this registrant for the period.

Client based in

Arizona

Official filing document

Government bodies contacted 6

The chambers, agencies and offices the filer named. It does not say who inside them was contacted, or when. Each name opens every filing that named the same body.

Lobbying activity 4

Manufacturing

Legislative monitoring and outreach related to the CHIPS and Sciences Act (P.L. 117-167).

Taxation/Internal Revenue Code

Legislative monitoring and outreach related to the CHIPS and Sciences Act (P.L. 117-167).

Trade (domestic/foreign)

Monitoring and outreach on issues related to certain technologies that present a risk to U.S. national and economic security.

Energy/Nuclear

Monitor and outreach related to grid and energy security and efficiency.

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