Only United States small business concerns (SBCs) are eligible to submit applications for this opportunity. A small business concern is one that, at the time of award of Phase I and Phase II, meets all of the following criteria: Is organized for profit, with a place of business located in the United States, which operates primarily within the United States or which makes a significant contribution to the United States economy through payment of taxes or use of American products, materials or labor. Is in the legal form of an individual proprietorship, partnership, limited liability company, corporation, joint venture, association, trust or cooperative, except that where the form is a joint venture, there must be less than 50 percent participation by foreign business entities in the joint venture. Must be one of the following: a. Be a concern which is more than 50% directly owned and controlled by one or more individuals (who are citizens or permanent resident aliens of the United States), other business concerns (each of which is more than 50% directly owned and controlled by individuals who are citizens or permanent resident aliens of the United States), an Indian tribe, ANC or NHO (or a wholly owned business entity of such tribe, ANC or NHO), or any combination of these; OR b. Be a joint venture in which each entity to the joint venture must meet the requirements set forth in paragraph 3(a) of this section. 4. Has, including its affiliates, not more than 500 employees. If an Employee Stock Ownership Plan owns all or part of the concern, each stock trustee and plan member is considered an owner. If a trust owns all or part of the concern, each trustee and trust beneficiary is considered an owner. Definitions: Hedge fund has the meaning given that term in section 13(h)(2) of the Bank Holding Company Act of 1956 (12 U.S.C. 1851(h)(2)). The hedge fund must have a place of business located in the United States and be created or organized in the United States, or under the law of the United States or of any State. Portfolio company means any company that is owned in whole or part by a venture capital operating company, hedge fund, or private equity firm. Private equity firm has the meaning given the term “private equity fund” in section 13(h)(2) of the Bank Holding Company Act of 1956 (12 U.S.C. 1851(h)(2)). The private equity firm must have a place of business located in the United States and be created or organized in the United States, or under the law of the United States or of any State. Venture capital operating company means an entity described in § 121.103(b)(5)(i), (v), or (vi). The venture capital operating company must have a place of business located in the United States and be created or organized in the United States, or under the law of the United States or of any State. ANC means Alaska Native Corporation. NHO means Native Hawaiian Organization. SBCs must also meet the other regulatory requirements found in 13 C.F.R. Part 121. Business concerns, other than investment companies licensed, or state development companies qualifying under the Small Business Investment Act of 1958, 15 U.S.C. 661, et seq., are affiliates of one another when either directly or indirectly, (a) one concern controls or has the power to control the other; or (b) a third-party/parties controls or has the power to control both. Business concerns include, but are not limited to, any individual (sole proprietorship) partnership, corporation, joint venture, association, or cooperative. The How to Apply – Application Guide should be referenced for detailed eligibility information. Small business concerns that are more than 50% owned by multiple venture capital operating companies, hedge funds, private equity firms, or any combination of these are NOT eligible to apply to the NIH STTR program.