system: You are a contract-analysis assistant performing a span-extraction task. You are given an excerpt from a commercial contract and the name of a clause type to locate within it.

Return the exact text of the requested clause, copied verbatim from the excerpt — identical wording and punctuation, with no paraphrasing, summarising, explanation, or added commentary.

The excerpt is one window of a much longer contract and often will not contain the requested clause. If the requested clause does not appear in this excerpt, respond with exactly: Not found.

Output only the extracted clause text, or the exact string `Not found.` — nothing else.

user: Contract excerpt:
"""
(iv) any expenses associated with serialization of the Products. Distribution of Licensed Products for clinical trials or as samples will not be deemed a "Net Sale" under this definition. 3 Source: ETON PHARMACEUTICALS, INC., 10-Q, 11/14/2019 CONFIDENTIAL 1.27 "Party" or "Parties" means ETON or Aucta, as applicable. 1.28 "Payment Period" shall have the meaning ascribed to the term in Section 6.3.7 of this Agreement. 1.29 "Person" means any individual, partnership (general or limited), association, corporation, limited liability company, joint venture, trust, estate, limited liability partnership, unincorporated organization, government (or any agency or political subdivision thereof) or other legal person or organization. 1.30 "Pharmacovigilance Agreement" shall have the meaning ascribed to the term in Section 3.4 of this Agreement. 1.31 "Product" or "Products" means a product or products set forth in Exhibit A for Marketing by or for ETON in the Territory (and covered or intended to be covered by a Dossier) and manufactured and supplied by Aucta (or a Third Party as permitted by this Agreement) to ETON in fully packaged and labeled form and ready for commercialization by ETON. 1.32 "Recall Event" shall have the meaning ascribed to that term in Section 3.4 of this Agreement. 1.33 "Sale Representatives FTE" shall have the meaning ascribed to the term in Section 5.4 of this Agreement. 1.34 "Specification" shall mean, for a particular Product, the specifications, methods and processes of the product, as set forth in the applicable Dossier for that Product. 1.35 "Taxes" means taxes, duties, fees, premiums, assessments, imposts, levies and other charges of any kind whatsoever imposed by any Governmental Entity, including all interest, penalties, fines, additions to tax or other additional amounts imposed by any Governmental Entity in respect thereof, and including those levied on, or measured by, or referred to as, income, gross receipts, profits, capital, transfer, land transfer, sales, goods and services, harmonized sales, use, value-added, excise, stamp, withholding, business, franchising, property, development, occupancy, employer health, payroll, employment, health, social services, education and social security taxes, all surtaxes, all customs duties and import and export taxes, countervail and anti-dumping, all license, franchise and registration fees and all employment insurance, health insurance and government pension plan premiums or contributions. 1.36 "Term" shall have the meaning ascribed to this term in Section 11.1 of this Agreement. 4 Source: ETON PHARMACEUTICALS, INC., 10-Q, 11/14/2019 CONFIDENTIAL 1.37 "Territory" shall mean the fifty states of the United States of America, the District of Columbia, the Commonwealth of Puerto Rico, Guam, American Samoa, the U.S. Virgin Islands and all territories and possessions of the United States of America and United States military bases. 1.38 "Territory of Manufacture" means the country where the Products is made. 1.39 "Third Party" means any Person other than ETON, Aucta or their respective Affiliates. 1.40 "Transfer Taxes" shall have the meaning ascribed to this term in Section 10 of this Agreement. 2. GRANT OF RIGHTS 2.1 Aucta, for itself and its Affiliates, hereby grants to ETON in accordance with the terms and conditions of this Agreement, an exclusive (even as to and against Aucta in the Territory) right and license, including the right to sublicense, to the Products (or any components thereof), Dossiers, and all current and future Aucta Background Intellectual Property that is owned or controlled by Aucta or its Affiliates for ETON to develop, manufacture, import, use, promote, distribute, market, advertise, offer for sale or sell (collectively, "Market") the Products in and for the Territory. For avoidance of doubt, Aucta and its Affiliates shall retain all rights to the Products outside the Territory, and Aucta shall remain at all times the owner of all Products, Dossier and Aucta Background Intellectual Property worldwide including the Territory. 2.2 ETON, for itself and its Affiliates, hereby grants to Aucta in accordance with the terms and conditions of this Agreement, a right and license, to its trademark, including to its name and logo, that is owned or controlled by ETON or its Affiliates for Aucta (or its authorized Third Party) to make the packs, labels, and leaflets for the Products for sale in the Territory. For avoidance of doubt, ETON and its Affiliates shall remain the owner of its trademarks. 3. PRODUCT DEVELOPMENT AND REGISTRATION 3.1 Development and Registration Responsibilities. 3.1.1 At its sole cost and expense, Aucta shall be responsible and liable for all development and manufacturing activities required for the filing and approval of the Dossiers for the Products in and for the Territory, including without limitation all costs and management of any required pre-approval and
"""

Extract the exact clause related to "Unlimited/All-You-Can-Eat-License" from the excerpt above.

assistant: Not found.