Non-dilutive SBIR/STTR grant deadlines fall this month, with the next standard NIH SBIR/STTR due date on Sept 8, 2026 and multiple DoD and Air Force FY2026 Release 2 topics closing Sept 23, 2026 as agencies condense windows before the Sept 30 fiscal-year end. Every application now undergoes mandatory due diligence on ownership, patents, and financial ties to countries of concern.
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Federal SBIR/STTR fall deadlines cluster before FY-end Sept 30
Why this matters for founders
R&D founders should check SBIR.gov's topic list now and target the NIH (Sept 8) or DoD/Air Force (Sept 23) windows for up to Phase I/II non-dilutive funding before the annual reset.
Source: SBIR.gov
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