For companies seeking to apply to the NSF SBIR/STTR program, the upcoming November 1 window is the last opportunity in 2023 to submit a proposal. Typically NSF opens a new submission window the day after a window closes. For example, the previous submission window in 2023 was July 5, 2023 and a new window opened on July 6, 2023.

However, since the FY23 solicitation expires on November 1, there is not a new submission window opening until the FY24 solicitation is released. NSF does not have a timeframe for the FY24 release at this time. Previous annual solicitation releases have varied from late November to mid-February – and a delayed release will leave very little time next year. Our best advice is to get your Project Pitch approved now and work diligently towards submitting it before November 1.

Remember, NSF SBIR/STTR proposals are submitted via, and require an active registration.

Join our “From the Sources’ Mouth” training on October 17th for a chance to hear directly from NSF SBIR/STTR program director, Henry Ahn. Learn more and register.