Subject: RE: Urgent: Venezuela - New Trademark Application for REVUFORJ on behalf of Syndax Pharmaceuticals, Inc
From: Trademarks Bolet & Terrero <[email-masked]>
To: Ben Chan <[email-masked]>
Cc: tm <[email-masked]>, Mark Jansen <[email-masked]>, Anne Marie Longobucco <[email-masked]>, Paula Alfaro <[email-masked]>, Guillermo Lopez <[email-masked]>, Velia Bracho <[email-masked]>, Trademarks Bolet & Terrero <[email-masked]>, Jose Bueno <[email-masked]>
Date: Thu, 7 May 2026 17:14:23 +0000

Dear Ben,

Following your instructions, we have filed before the Venezuelan Patent and Trademark Office (VPTO), the following trademark applications:

Applicant: SYNDAX PHARMACEUTICALS, INC.
Trademark
Class
Application no.
Date
Your reference
1.-
REVUFORJ
44 int'l
2026-004932
May. 06, 2026
Fenwick File No.: TBD / Billing Ref. No.: 43707-00070
Services list: Providing information in the field of cancer treatment; providing links to the web sites of others featuring information about the diagnosis and treatment of cancer.
2.-
REVUFORJ
42 int'l
2026-004933
May. 06, 2026
Fenwick File No.: TBD / Billing Ref. No.: 43707-00070
Services list: Research and development of pharmaceuticals for the treatment of cancer; medical and scientific research services in the field of cancer treatment.
3.-
REVUFORJ
5 int'l
2026-004934
May. 06, 2026
Fenwick File No.: TBD / Billing Ref. No.: 43707-00070
Products list: Pharmaceutical preparations for the treatment of cancer.

We have enclosed scanned copies of the trademark application filing sheets, which have been duly stamped by the VPTO, for your records, and we will provide you with further updates as soon as they become available.

Please note that we are awaiting the Power of Attorney to confirm our representation. As you already know, when applications are filed without original documents, the VPTO permits delayed submission within the 60 days following the filing date. Timely submission will help prevent an office action, we recommend filing the documents before July 06, 2026.

Finally, you will receive the corresponding invoice in a separate email.

If you require further information or have any questions or concerns, please do not hesitate to reach out to us. We are always available to assist you.

Best regards,
<https://byt.com.ve/es/inicio/>

From: Paula Alfaro <[email-masked]>
Sent: Monday, May 4, 2026 4:22 PM
To: Ben Chan <[email-masked]>; Trademarks Bolet & Terrero <[email-masked]>; Guillermo Lopez <[email-masked]>; Velia Bracho <[email-masked]>
Cc: tm <[email-masked]>; Mark Jansen <[email-masked]>; Anne Marie Longobucco <[email-masked]>; Jose Bueno <[email-masked]>
Subject: Re: Urgent: Venezuela - New Trademark Application for REVUFORJ on behalf of Syndax Pharmaceuticals, Inc

Dear Ben,

Thank you for your email. We will proceed accordingly and as soon as the filing receipts are available, we will get back to you.

Please find the PoA form for Syndax Pharmaceuticals, Inc attached to this email. The document must be notarized and legalized with Apostille, as well sent to our offices in Caracas via courier (DHL):

Bolet & Terrero
Edificio Cavendes, Piso 12, Oficina 1201
Av. Francisco de Miranda
Los Palos Grandes, Chacao
Caracas, 1060, Venezuela

An original ink signature is preferred to avoid any inconveniences with the VPTO.

As soon as you have sent the document, please let us know

We remain attentive to any comment or doubt.

Best regards,

________________________________
From: Ben Chan <[email-masked]<mailto:[email-masked]>>
Sent: Monday, May 4, 2026 3:50 PM
To: Trademarks Bolet & Terrero <[email-masked]<mailto:[email-masked]>>; Guillermo Lopez <[email-masked]<mailto:[email-masked]>>; Velia Bracho <[email-masked]<mailto:[email-masked]>>; Paula Alfaro <[email-masked]<mailto:[email-masked]>>
Cc: tm <[email-masked]<mailto:[email-masked]>>; Mark Jansen <[email-masked]<mailto:[email-masked]>>; Anne Marie Longobucco <[email-masked]<mailto:[email-masked]>>
Subject: Urgent: Venezuela - New Trademark Application for REVUFORJ on behalf of Syndax Pharmaceuticals, Inc

New (non-priority) trademark application

for the mark REVUFORJ

Country: Venezuela

Owner: Syndax Pharmaceuticals, Inc.

Fenwick File No.: TBD

Fenwick Billing Ref. No.: 43707-00070

Application No.: Please provide when available

Hi all – please file a new (non-priority) trademark application in Venezuela for the mark REVUFORJ as soon as possible on behalf of Syndax Pharmaceuticals, Inc.

Applicant information: Syndax Pharmaceuticals, Inc. is a Delaware corporation. Its address is:

730 3rd Avenue, 9th Floor

New York, NY 10017

United States

Goods and services: Please file for the following goods and services. Please do not make any changes to the description, even if you think we may receive objections – we’ll respond to these as they arise.

Class 5: Pharmaceutical preparations for the treatment of cancer

Class 42: Research and development of pharmaceuticals for the treatment of cancer; medical and scientific research services in the field of cancer treatment

Class 44: Providing information in the field of cancer treatment; providing links to the web sites of others featuring information about the diagnosis and treatment of cancer

Power of Attorney: If you require a power of attorney, please send us a draft for the client’s signature, limited to trademark matters only. Please also let us know (1) if the POA can be signed by DocuSign, or if you need a scanned or original ink signature; and (2) if the POA must be notarized or legalized. If you can file the application first and submit the POA later, please do so.

Correspondence: Please send all updates regarding this application to all addresses copied on this email, noting the mark, client, our reference numbers, and any deadlines in the subject line and/or header.

Searching: Please do not do any searching.

Invoices: If your firm has been onboarded to Fenwick’s Corpay VIP portal, please submit your invoices accordingly. Otherwise, please submit individual invoices as a PDF via separate email to [email-masked]<mailto:[email-masked]>. Please do not copy anyone else at Fenwick on invoices, and do not send invoices with any other correspondence or documents. Please include the client, mark, country, and our billing reference number (43707-00070) on all invoices. Please note that emailed invoices will not be accepted from any vendors onboarded to VIP Portal. Invoices must be submitted within 30 days after completion of the services performed. If services are ongoing, invoices must still be submitted on a monthly basis. This is a strict cutoff, and invoices older than 60 days may not be paid. Please send any questions about the invoice delivery method and guidelines to [email-masked]<mailto:[email-masked]>.

Thanks very much for your assistance. Please confirm receipt of these instructions and let us know if you have any questions or concerns, or need anything further to proceed.

Best,

Ben

Ben Chan

Fenwick | Senior Paralegal | +1 415-875-2053 | [email-masked]<mailto:>

________________________________
CONFIDENTIALITY NOTICE: This email and its attachments contain information that may be confidential and/or privileged. If you are not the intended recipient you may not copy, disclose or use the contents of this email. If you believe that you have received this email in error, notify the sender or contact Fenwick & West LLP at (650) 988-8500 and then delete or destroy any copy of this email and its attachments.