Can I file a claim in the Thomas v. Versum Materials US Employment Class Action case?

No. The case is still being litigated — there is no settlement, no claim form, and no payout. It was filed May 7, 2026 in the District Court, N.D. California (No. 5:26-cv-04219).

Who are the attorneys in the Thomas v. Versum Materials US Employment Class Action?

For the plaintiffs: Victoria Bree Rivapalacio (Blumenthal Nordrehaug Bhowmik De Blouw LLP); Piya Mukherjee (Blumenthal Nordrehaug Bhowmik De Blouw LLP); Norman B. Blumenthal (Blumenthal, Nordrehaug Bhowmik De Blouw LLP); Nicholas J. De Blouw (Blumenthal Nordrehaug Bhowmik De Blouw LLP). For Versum Materials US, LLC: Kara A. Ritter Cole (Littler Mendelson, P.C.); Stephanie Kierig (Littler Mendelson). From the public court docket.

In litigation — no settlement yetemployment

Thomas v. Versum Materials US Employment Class Action

Verified September 19, 2026Found via the federal court docketHow ClaimWatch verifies cases

Still being litigated: the claims below are allegations, not findings, and there is no settlement, claim form or payout yet.

Where this case stands

In litigation

The case has been filed and is being fought in court. There is no settlement, no claim form and no payout yet; many class actions are dismissed or never certified.

Pending in the District Court, N.D. California (No. 5:26-cv-04219).

May 7, 2026
Case filed

What happened

A proposed class action brought by an employee against Versum Materials US, LLC alleging adverse employment action. The case has been removed to federal court and is proceeding under employment class action discovery protocols, though specific allegations are not detailed in the available docket entries.

Do you qualify?

No settlement exists yet, so there is nothing to file and no class definition to check. If the case settles, the settlement will define exactly who qualifies — watch this case and we'll let you know.

How to file

There is no claim to file yet. If this case reaches a settlement, a claim process will open — usually with an official settlement website and a filing deadline.

Common questions

Can I file a claim in the Thomas v. Versum Materials US Employment Class Action case?: No. The case is still being litigated — there is no settlement, no claim form, and no payout. It was filed May 7, 2026 in the District Court, N.D. California (No. 5:26-cv-04219).What a class action lawsuit is →
Who are the attorneys in the Thomas v. Versum Materials US Employment Class Action?: For the plaintiffs: Victoria Bree Rivapalacio (Blumenthal Nordrehaug Bhowmik De Blouw LLP); Piya Mukherjee (Blumenthal Nordrehaug Bhowmik De Blouw LLP); Norman B. Blumenthal (Blumenthal, Nordrehaug Bhowmik De Blouw LLP); Nicholas J. De Blouw (Blumenthal Nordrehaug Bhowmik De Blouw LLP). For Versum Materials US, LLC: Kara A. Ritter Cole (Littler Mendelson, P.C.); Stephanie Kierig (Littler Mendelson). From the public court docket.

Who's involved

Plaintiffs

Keondre Thomas

Defendants

Versum Materials US, LLC

Counsel for plaintiffs

Victoria Bree Rivapalacio Blumenthal Nordrehaug Bhowmik De Blouw LLP
Represents Keondre Thomas
6 tracked cases
victoria@bamlawca.com · (858) 551-1223
Piya Mukherjee Blumenthal Nordrehaug Bhowmik De Blouw LLP
Represents Keondre Thomas
2 tracked cases
piya@bamlawlj.com · (858) 551-1223
Norman B. Blumenthal Blumenthal, Nordrehaug Bhowmik De Blouw LLP
Represents Keondre Thomas
12 tracked cases
norm@bamlawlj.com
Nicholas J. De Blouw Blumenthal Nordrehaug Bhowmik De Blouw LLP
Represents Keondre Thomas
12 tracked cases
nick@bamlawca.com · (858) 551-1223
Kyle R. Nordrehaug Blumenthal Nordrehaug Bhowmik De Blouw LLP
Represents Keondre Thomas
9 tracked cases
kyle@bamlawlj.com · (858) 551-1223
Charlotte Elise James Blumenthal Nordrehaug Bhowmik De Blouw LLP
Represents Keondre Thomas
2 tracked cases
charlotte@bamlawca.com · (858) 551-1223
Aparajit Bhowmik Blumenthal Nordrehaug Bhowmik De Blouw LLP
Represents Keondre Thomas
11 tracked cases
aj@bamlawca.com
Andrew Gavin Ronan Blumenthal, Nordrehaug, Bhowmik, De Blouw, LLP
Represents Keondre Thomas
2 tracked cases
Andrew@bamlawca.com · (858) 367-9913

Counsel for defendants

Kara A. Ritter Cole Littler Mendelson, P.C.
Represents Versum Materials US, LLC
kcole@littler.com · (619) 232-0441
Stephanie Kierig Littler Mendelson
Represents Versum Materials US, LLC
2 tracked cases
skierig@littler.com · (619) 515-1832

Other cases these firms appear in

Palmer v. Wells Fargo Bank Labor Class Action · Blumenthal Nordrehaug Bhowmik De Blouw LLP
Joel Garcia v. Cherry Hill Programs Labor Class Action · Blumenthal Nordrehaug Bhowmik De Blouw LLP
Gilbert v AT&T Mobility Services LLC - Wage and Hour Settlement · Blumenthal Nordrehaug Bhowmik De Blouw LLP
Sierra v. Curriculum Associates · Blumenthal Nordrehaug Bhowmik De Blouw LLP
Baker v. Avangrid Management Company ERISA Class Action · Littler Mendelson

From the public court docket, contact details as filed; not an endorsement.

Guides:What is a class action lawsuit?How class membership works Your options as a class member

Summarised from public settlement documents; confirm terms on the official settlement website. ClaimWatch is not a law firm, and filing a claim is free.

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January 11, 2028No proof neededemployment