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- 23 Apr 24 424B5 Prospectus supplement for primary offering
- 19 Apr 24 424B5 Prospectus supplement for primary offering
- 19 Mar 24 FWP Free writing prospectus
- 18 Mar 24 424B5 Prospectus supplement for primary offering
- 18 Mar 24 424B5 Prospectus supplement for primary offering
- 15 Aug 22 EFFECT Notice of effectiveness
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29 Jul 22 S-3/A Shelf registration (amended)
- 1 Jul 22 S-3 Shelf registration
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Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated March 31, 2022, relating to the consolidated financial statements of ClearSign Technologies Corporation, which appears in the Annual Report of ClearSign Technologies Corporation for the year ended December 31, 2021 on Form 10-K. We also consent to the reference to us under the heading “Experts” in such Registration Statement.
/s/ BPM LLP
July 29, 2022
Santa Monica, California