# EDGAR Filing Document

**Accession Number:** 0001574232
**File Stem:** 0001104659-25-118120
**Filing Date:** 2025-12
**Character Count:** 2657
**Document Hash:** 6f9c03b115f1734c32011a1f3014cc64
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-25-118120.hdr.sgml**: 20260428

**ACCESSION NUMBER**: 0001104659-25-118120

**CONFORMED SUBMISSION TYPE**: CORRESP

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251203

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Addex Therapeutics Ltd.
- **CENTRAL INDEX KEY:** 0001574232
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 000000000
- **STATE OF INCORPORATION:** V8
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** CORRESP

**BUSINESS ADDRESS:**
- **STREET 1:** CHEMIN DES MINES 9
- **CITY:** GENEVA
- **STATE:** V8
- **ZIP:** CH-1202
- **BUSINESS PHONE:** 01141228841555

**MAIL ADDRESS:**
- **STREET 1:** CHEMIN DES MINES 9
- **CITY:** GENEVA
- **STATE:** V8
- **ZIP:** CH-1202

December 3, 2025

**<u>VIA EDGAR</u>**

Office of Life Sciences

Division of Corporation Finance

U.S. Securities and Exchange Commission

100 F Street, NE

Washington, DC 20549

Attention: Mr. Chris Edwards

---

| | | |
|:---|:---|:---|
| **Re:** | **Addex Therapeutics Ltd** | **Addex Therapeutics Ltd** |
|  | **Acceleration Request for Registration Statement on Form F-3** | **Acceleration Request for Registration Statement on Form F-3** |
|  | **File No. 333-291644** | **File No. 333-291644** |
|  | **Acceleration Request** | **Acceleration Request** |
|  | **Requested Date:** | **December 5, 2025** |
|  | **Requested Time:** | **4:15 p.m., Eastern Time** |

---

Dear Mr. Edwards:

Pursuant to Rule 461 under the Securities Act of 1933, as amended (the "**Act**"), Addex Therapeutics Ltd (the "**Company**") hereby requests that the effective date of the above-referenced registration statement (the "**Registration Statement**") be accelerated to December 5, 2025, at 4:15 p.m., Eastern Time, or as soon thereafter as practicable, unless we or our outside counsel, Goodwin Procter LLP, request by telephone that such Registration Statement be declared effective at some other time. In making this acceleration request, the Company acknowledges that it is aware of its responsibilities under the Act.

Once the Registration Statement is effective, please orally confirm the event with our counsel, Goodwin Procter LLP, by calling Kristopher Brown at (212) 813-8821.

If you have any questions regarding this request, please contact Kristopher Brown of Goodwin Procter LLP at (212) 813-8821.

Sincerely,

---

| |
|:---|
| ADDEX THERAPEUTICS LTD |
| /s/ Tim Dyer |
| Tim Dyer |
| Chief Executive Officer |

---

cc: Kristopher Brown, Esq., *Goodwin Procter LLP* Justin Platt, Esq., *Goodwin Procter LLP*