8-K
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported):
March 23, 2026
Seer, Inc.
(Exact name of registrant as specified in its charter)
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Delaware |
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001-39747 |
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82-1153150 |
(State or other jurisdiction of |
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(Commission |
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(I.R.S. Employer |
incorporation) |
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File Number) |
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Identification No.) |
3800 Bridge Parkway, Suite 102
Redwood City, California 94065
(Address of principal executive offices, including zip code)
650-453-0000
(Registrant’s telephone number, including area code)
Not Applicable
(Former name or former address, if changed since last reports)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
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Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) |
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Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) |
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Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) |
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Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) |
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Securities registered pursuant to Section 12(b) of the Act: |
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Title of each class |
Trading Symbol |
Name of each exchange on which registered |
Class A Common Stock, par value $0.00001 per share |
SEER |
The NASDAQ Stock Market LLC (The NASDAQ Global Select Market) |
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
On March 30, 2026, Seer, Inc. announced that the Patent Trial and Appeal Board (“PTAB”) of the U.S. Patent and Trademark Office issued a Final Written Decision on March 23, 2026, in an inter partes review of U.S. Patent No. 11,435,360 B2. The inter partes review (IPR2024-01473) was filed by PreOmics GmbH and Biognosys AG, challenging claims 1-4, 6, 7, 17, and 22-25 of the ‘360 patent. In its Final Written Decision, the PTAB determined that the petitioners failed to demonstrate the unpatentability of claims 2, 3, 7, 23, and 24 of the ‘360 patent, resulting in a total of 23 claims, the five upheld and another 18 unchallenged, remaining valid and enforceable. The upheld claims include limitations relating to the depth and dynamic range of proteins detected by the claimed methods and the nature of the particles used in the methods. The PTAB determined that claims 1, 4, 6, 22, 24, and 25 were unpatentable.
Either party choosing to pursue appeal must file a notice of appeal by May 25, 2026.
A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.
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Item 9.01 |
Financial Statements and Exhibits. |
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Exhibit No. |
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Description |
99.1 |
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Press Release dated March 30, 2026, titled “Seer's Particle Proteomics Patent Stands After Challenge by Bruker Subsidiaries.” |
104 |
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Cover Page from this Current Report on Form 8-K, formatted in Inline XBRL. |
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
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SEER, INC. |
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Date: March 30, 2026 |
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By: |
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/s/ David Horn |
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David Horn |
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President and Chief Financial Officer |
Patent Board Upholds Seer's Nano and Micro Particle Protein Enrichment Patent in a Challenge by Bruker Subsidiaries
23 claims of U.S. Patent No. 11,435,360 remain valid, supporting Seer's Proteograph® Product Suite
REDWOOD CITY, Calif., March 30, 2026 — Seer, Inc. (Nasdaq: SEER), a leader in deep, unbiased proteomic insights, today announced that the Patent Trial and Appeal Board (“PTAB”) of the U.S. Patent and Trademark Office issued a Final Written Decision on March 23, 2026, in an inter partes review of U.S. Patent No. 11,435,360 B2 (the “’360 Patent”). The inter partes review was filed by PreOmics GmbH and Biognosys AG, each a subsidiary of Bruker Corporation, challenging 11 of 29 claims of the ’360 Patent.
The ’360 Patent covers methods for analyzing biological samples using engineered nano- and microparticles that form protein coronas, resulting in protein enrichment that underlies Seer’s Proteograph platform for deep proteomic analysis. The ’360 Patent is owned by The Brigham and Women’s Hospital, Inc. and is exclusively licensed to Seer.
A total of 23 claims, including five challenged claims and 18 unchallenged claims, remain valid and protect Seer’s nanoparticle protein enrichment technology for analyzing biological samples, including cells, tissues and biofluids. The upheld claims are directed to detecting proteins across a wide concentration range and to particle-related aspects of Seer’s technology, both of which enable deep proteomic analysis.
“The PTAB’s decision affirms the strength of our technology and our Proteograph platform,” said Omid Farokhzad, Chair and Chief Executive Officer of Seer. “Seer pioneered the Proteograph platform, and our approach enables the deep, reproducible, and scalable proteomics data our customers depend on. We will continue to defend and invest in the IP that protects our technology and makes it possible for us to continue bringing exceptional insights to our customers.”
Seer’s Proteograph Product Suite integrates proprietary engineered nanoparticles, automation instrumentation, and analytical software to enable deep, unbiased proteomics at scale. The platform is supported by an intellectual property portfolio of more than 240 issued patents and pending patent applications worldwide, including 80 issued patents.
About Seer, Inc.
Seer, Inc. (Nasdaq: SEER) sets the standard in deep, unbiased proteomics, delivering insights with scale, speed, precision, and reproducibility previously unattainable by other proteomic methods. Seer's Proteograph Product Suite integrates proprietary engineered nanoparticles, automation instrumentation, optimized consumables, and advanced analytical software. Seer's products are for research use only and are not intended for diagnostic procedures. For more information, visit www.seer.bio.
Forward-Looking Statements
This press release contains "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995, as amended. Such forward-looking statements are based on Seer's beliefs and assumptions and on information currently available to it on the date of this press release. Forward-looking statements may involve known and unknown risks, uncertainties and other factors that may cause Seer's actual results, performance, or achievements to be materially different from those expressed or implied by the forward-looking statements. These statements include but are not limited to statements regarding the strength and scope of Seer's intellectual property portfolio, Seer's ability to protect its innovations and market position, and the company's plans to pursue available legal options. These and other risks are described more fully in Seer's filings with the Securities and Exchange Commission ("SEC") and other documents that Seer subsequently files with the SEC from time to time. Except to the extent required by law, Seer undertakes no obligation to update such statements to reflect events that occur or circumstances that exist after the date on which they were made.
Media Contact:
Patrick Schmidt
pr@seer.bio
Investor Contact:
Marissa Bych or Connor O’Neill
investor@seer.bio
