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*Who May Submit Proposals: Proposals may only be submitted by the following: -
  • Proposers must submit their SBIR/STTR Phase II proposal within 6 to 24 months after the start date of their relevant NSF SBIR/STTR Phase I award.Please reference your NSF SBIR/STTR Phase I award notice for award start date.Note that this submission window is NOT extended by no-cost extensions.
  • Firms qualifying as a small business concern are eligible to participate in the NSF SBIR/STTR programs (seethe
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