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:
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Party (or its Affiliate) to the other Party (or its Affiliate) pursuant to the Confidentiality Agreement shall be deemed to be such Party's Confidential Information disclosed hereunder. For purposes of clarity, (i) Dova's Confidential Information shall include all Product Materials unless and until made available by Dova to the general public (including through Valeant) and (ii) the terms of this Agreement shall be considered Confidential Information of both Parties. 1.17 "Confidentiality Agreement" shall have the meaning set forth in Section 9.1.1. 3 CONFIDENTIAL TREATMENT HAS BEEN REQUESTED FOR PORTIONS OF THIS EXHIBIT. THE COPY FILED HEREWITH OMITS THE INFORMATION SUBJECT TO A CONFIDENTIALITY REQUEST. OMISSIONS ARE DESIGNATED [***]. A COMPLETE VERSION OF THIS EXHIBIT HAS BEEN FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION. Source: DOVA PHARMACEUTICALS INC., 10-Q, 11/8/2018 1.18 "Designated Product" shall mean a specific pharmaceutical product marketed by Valeant which is agreed to in writing by the Parties on or prior to the Effective Date. 1.19 "Detail(s)" shall mean a Product presentation during a face-to-face sales call between a Target Professional and a Sales Representative, during which a presentation of the Product's attributes, benefits, prescribing information and safety information are orally presented, for use in the Field in the Territory. Neither e-details, nor presentations made at conventions, exhibit booths, a sample drop, educational programs or speaker meetings, or similar gatherings, shall constitute a Detail. 1.20 "Detail Report" shall have the meaning set forth in Section 4.2.2. 1.21 "Dispute" shall have the meaning set forth in Section 13.6.1. 1.22 "Dollar" or "$" shall mean United States dollar. 1.23 "Dova Trademarks and Copyrights" shall mean the logos, trade dress, slogans, domain names and housemarks of Dova or any of its Affiliates as may appear on any Product Materials or Product Labeling, in each case, as may be updated from time to time by Dova. 1.24 "Dova's Third Party Data Source" shall mean [***] or such other data source as selected by Dova and with which Dova enters into an agreement, at its cost. 1.25 "Effective Date" shall have the meaning set forth in the preamble to this Agreement. 1.26 "FDA" shall mean the United States Food and Drug Administration or any successor agency performing comparable functions. 1.27 "Field" shall mean the treatment of thrombocytopenia in adult patients with chronic liver disease who are scheduled to undergo a procedure and any and all additional indications for which the Product is approved in the Territory. 1.28 "Field Force Personnel" shall mean collectively, the Sales Representatives, the members of the institutional account management team described in Section 4.1.5, if any, that are engaged in Detailing the Product and any other employees of Valeant engaged in the Valeant Activities. 1.29 "GAAP" shall mean United States generally accepted accounting principles. 1.30 "Governmental Authority" shall mean any court, agency, authority, department, regulatory body or other instrumentality of any government or country or of any national, federal, state, provincial, regional, county, city or other political subdivision of any such government or any supranational organization of which any such country is a member, which has competent and binding authority to decide, mandate, regulate, enforce, or otherwise control the activities of the Parties contemplated by this Agreement. 4 CONFIDENTIAL TREATMENT HAS BEEN REQUESTED FOR PORTIONS OF THIS EXHIBIT. THE COPY FILED HEREWITH OMITS THE INFORMATION SUBJECT TO A CONFIDENTIALITY REQUEST. OMISSIONS ARE DESIGNATED [***]. A COMPLETE VERSION OF THIS EXHIBIT HAS BEEN FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION. Source: DOVA PHARMACEUTICALS INC., 10-Q, 11/8/2018 1.31 "Gross to Net Fraction" shall mean, for each SKU of the Product, a fraction (i) the numerator of which is the net sales of the SKU of the Product in the Territory for an applicable period (based on the gross-to-net discounts for all sales of such SKU of the Product (i.e., sales attributable to the Specialty, as well as all other sales of such SKU of the Product), and (ii) the denominator of which is gross sales of such SKU of the Product in the Territory for an applicable period, in each case, as determined in accordance with Dova's revenue recognition policies, which is in accordance with GAAP (on a consistent basis), for quarterly financial reporting purposes, as reported in Dova's quarterly filings with the U.S. Securities Exchange Commission. 1.32 "Indemnified Party" shall have the meaning set forth in Section 11.3. 1.33 "Indemnifying Party" shall have the meaning set forth in Section 11.3. 1.34 "Intellectual Property" shall have the meaning set forth in Section 8.1.2. 1.35 "Intermediary" shall mean any wholesaler
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Extract the exact clause related to "Expiration Date" from the excerpt above.