Small Business Technology Transfer (STTR)

The Small Business Technology Transfer (STTR) program is a federal R&D funding program that requires a small business to partner with a nonprofit research institution to develop and commercialize innovative technology. Unlike SBIR, STTR mandates formal collaboration with defined work-share minimums and an intellectual property agreement between the small business and its research partner.

What Is Small Business Technology Transfer (STTR)?

The Small Business Technology Transfer (STTR) program is a federal R&D funding program that requires a small business to partner with a nonprofit research institution to develop and commercialize innovative technology. Established in 1992, STTR was designed to strengthen collaboration between commercialization-focused small businesses and the research capacity available at universities, nonprofit research organizations, and federally funded R&D centers.

STTR follows a phased structure progressing from feasibility through development to commercialization, with mandatory work-share requirements and an IP agreement between the small business and research partner — distinguishing it from the related SBIR program, which encourages but does not require institutional collaboration.

Key Characteristics

Mandatory collaboration between a small business and a single qualifying nonprofit research institution for every STTR award

Defined performance-of-work split: small business must perform at least 40% of the work, research institution at least 30%

Phased structure: Phase I for feasibility, Phase II for R&D development, and Phase III for commercialization using non-STTR funds

Eligibility requirements include U.S.-based, for-profit, U.S.-owned and controlled businesses with 500 or fewer employees including affiliates

IP agreement required between the small business and research institution to address intellectual property rights and follow-on development and commercialization

How It Works in Government Contracting

Where It Appears in the Procurement Lifecycle: STTR appears early in the innovation pipeline, when agencies are scouting and funding new technical solutions before full-scale procurement. Agencies release STTR solicitations defining specific research topics, and small business-research institution teams submit proposals responding to those topics — independent of the standard federal acquisition process used for most contracts.

Who Uses It: Participating federal agencies use STTR to fund innovation in areas aligned with their mission priorities. Small businesses use the program to develop technology with the support of research partners, gaining access to specialized facilities, equipment, and expertise that they would not otherwise have on their own.

Why It Matters: STTR connects commercialization-focused small businesses with research capacity at universities, nonprofit labs, and federally funded R&D centers — helping move ideas from lab results to deployable products. It provides non-dilutive early-stage funding while building the agency relationships and demonstrated technical capability that support follow-on federal contracting.

Practical Application

Example 1 — University Partnership for Defense Technology: A small defense technology firm partners with a university engineering department to respond to a Department of Defense STTR solicitation on autonomous systems. The small business leads program management and commercialization planning while the university performs specialized sensor research — meeting the required 40/30 work-share split and executing a formal IP agreement before award.

Example 2 — Phase II Development and Prototype: Following a successful Phase I feasibility demonstration, a small biotech firm and its nonprofit research institution partner are awarded Phase II STTR funding to develop a working prototype of a novel diagnostic tool. The team uses the expanded funding to conduct clinical validation studies at the research institution's facilities while the small business develops the commercial product roadmap.

Example 3 — Phase III Commercialization Transition: After completing Phase II, a small energy technology firm transitions its STTR-developed technology into Phase III by securing a follow-on contract with the funding agency to deploy the technology in a pilot program. The firm also uses the federally validated performance data to attract private investment for broader commercial market entry — demonstrating the dual-use potential that STTR is designed to unlock.

Regulatory Framework

STTR is administered under the broader SBIR/STTR statutory framework and coordinated by the SBA with participating agencies. Key regulatory and statutory references include:

15 U.S.C. § 638, the primary statutory authority establishing both the SBIR and STTR programs and defining their structure, eligibility requirements, and participating agency obligations

SBA program policy directives coordinating STTR implementation across participating federal agencies and establishing uniform eligibility and reporting standards

Agency-specific STTR policy directives governing how individual agencies structure solicitations, evaluate proposals, and administer awards under the program

Current status note: SBIR/STTR congressional authorization expired on September 30, 2025, which may delay, cancel, or restrict new solicitations and awards until Congress acts to reauthorize or extend the program

Why It Matters for Contractors

Business Implications: STTR provides non-dilutive R&D funding that supports early technology development without requiring equity exchange — allowing small businesses to retain ownership of the intellectual property they develop. Access to a research institution's specialized facilities, equipment, and expertise can significantly accelerate technical development that would be impractical for a small firm to pursue independently.

Compliance Impact: Work-share rules, eligibility requirements, and IP agreements must all be properly structured and documented before award and maintained throughout performance. Failure to meet the mandatory 40/30 work-share minimums, execute a compliant IP agreement, or maintain small business eligibility can jeopardize current awards and future STTR participation.

Strategic Importance: Successful STTR projects create a commercialization pathway through Phase III, enabling technology transition into follow-on federal contracts or commercial markets. Agencies that fund STTR awards are often the most likely early adopters of the resulting technology — making STTR a direct relationship-building and market entry tool for small businesses with strong technical ideas.

Risk Considerations: Program authorization lapses — such as the expiration of SBIR/STTR authority on September 30, 2025 — can disrupt timing, delay solicitations, and create uncertainty for firms planning their R&D pipeline around STTR funding. Contractors should monitor congressional reauthorization activity and maintain contingency plans for their development timelines when program authority is uncertain.

Common Misconceptions About STTR

STTR is just a small business set-aside like other federal preference programs.

STTR is a phased R&D innovation program with specific collaboration requirements, work-share minimums, and IP planning obligations. It is fundamentally different from a set-aside procurement — it funds the development of new technology rather than awarding contracts for existing services or products.

The research partner can perform the majority of the STTR work.

The small business must perform at least 40% of the work, and the research institution must perform at least 30%. Arrangements where the research institution dominates performance do not meet STTR work-share requirements and can jeopardize award eligibility and compliance.

Phase III is funded by the STTR program.

Phase III is the commercialization and follow-on development stage and is explicitly not funded through STTR program dollars. Phase III requires non-STTR funding from private investment, follow-on federal contracts outside the program, or other non-STTR government funding — making the transition from Phase II to Phase III a significant planning and business development challenge.

Frequently Asked Questions

What is the primary difference between STTR and SBIR?

STTR requires a formal partnership with a qualifying nonprofit research institution and specific work-share minimums — the small business must perform at least 40% and the research institution at least 30%. SBIR encourages but does not require collaboration with a research institution, giving small businesses more flexibility in how they structure their technical teams.

What kinds of research partners qualify for STTR?

Qualifying partners include U.S.-based nonprofit colleges and universities, domestic nonprofit research organizations, and federally funded R&D centers. The research institution must be based in the United States and meet the nonprofit or FFRDC designation requirements defined in program policy.

Is an IP agreement required for every STTR award?

Yes. STTR expects the small business and research institution to have a formal IP agreement in place that addresses intellectual property rights, licensing terms, and follow-on development and commercialization responsibilities before the award is executed.

Is STTR funding reliably available each year?

STTR depends on both congressional authorization and individual agency solicitation decisions. As of September 30, 2025, SBIR/STTR statutory authority expired — which may delay or pause new STTR solicitations and awards until Congress reauthorizes or extends the program. Applicants should monitor program status closely before building STTR awards into near-term business plans.