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UPLOAD Filing

ClearSign Technologies Corp
Date: Aug. 14, 2025 · CIK: 0001434524 · Accession: 0000000000-25-008601

Offering / Registration Process Regulatory Compliance Financial Reporting

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File numbers found in text: 333-289549

Date
August 14, 2025
Author
Division of
Form
UPLOAD
Company
ClearSign Technologies Corp

Letter

Re: ClearSign Technologies Corp Registration Statement on Form S-1 Filed August 12, 2025 File No. 333-289549 Dear Colin James Deller:

August 14, 2025

Colin James Deller Chief Executive Officer ClearSign Technologies Corp 8023 East 63rd Place, Suite 101 Tulsa, OK 74133

This is to advise you that we have not reviewed and will not review your registration statement.

Please refer to Rules 460 and 461 regarding requests for acceleration. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff.

Please contact Margaret Sawicki at 202-551-7153 with any questions.

Sincerely,
Division of
Corporation Finance
Office of Industrial
Applications and
Services
cc: Blake Baron, Esq.

Show Raw Text
<DOCUMENT>
<TYPE>TEXT-EXTRACT
<SEQUENCE>2
<FILENAME>filename2.txt
<TEXT>
 August 14, 2025

Colin James Deller
Chief Executive Officer
ClearSign Technologies Corp
8023 East 63rd Place, Suite 101
Tulsa, OK 74133

 Re: ClearSign Technologies Corp
 Registration Statement on Form S-1
 Filed August 12, 2025
 File No. 333-289549
Dear Colin James Deller:

 This is to advise you that we have not reviewed and will not review your
registration
statement.

 Please refer to Rules 460 and 461 regarding requests for acceleration.
We remind you
that the company and its management are responsible for the accuracy and
adequacy of their
disclosures, notwithstanding any review, comments, action or absence of action
by the staff.

 Please contact Margaret Sawicki at 202-551-7153 with any questions.

 Sincerely,

 Division of
Corporation Finance
 Office of Industrial
Applications and
 Services
cc: Blake Baron, Esq.
</TEXT>
</DOCUMENT>