exhibit 10. 19 this laboratory service agreement ( ” agreement ” ) is made effective on 26 august 2016 by and between ( 1 ) covance central laboratory services lp an indiana limited partnership, with its principal place of business at 8211 scicor drive, indianapolis, indiana 46214, usa ; and covance central laboratory services sarl, with its principal place of business at rue moise - marchines 7, 1217 meyrin, geneva switzerland ( collectively “ covance ” ) ; and ( 2 ) regenmed ( cayman ) ltd., 10 market street, no. 774 camana bay, grand cayman ky1 - 9006, cayman islands ( “ sponsor ” ). ( each a “ party ” and collectively the “ parties ” ). whereas ( a ) covance is engaged in the business of providing laboratory testing, data management, protocol management and information management services for pharmaceutical clinical trials. ( b ) sponsor desires for covance to perform such services for one or more clinical trials, all in accordance with and subject to the terms and conditions of this agreement. it is agreed 1. definitions 1. 1 in this agreement, the following words and expressions shall have the following meanings : “ affiliate ” means any entity controlling, controlled by, or in common control with a party. for the purposes of this definition, “ control ” shall mean ownership or control, directly or indirectly of more than fifty percent ( 50 % ) of the common voting stock or ordinary shares in the entity or the right to appoint fifty percent ( 50 % ) or more of the directors of that entity. with respect to covance, the term affiliate shall include laboratory corporation of america holdings and any business entity that is controlled by or is under common control with laboratory corporation of america holdings. “ anti - corruption laws ” means any anti - bribery and anti - corruption laws, rules, regulations applicable to either party ( each as amended from time to time ) including the united states anti - kickback law, united states foreign corrupt practices act, the uk bribery act 2010 and the oecd convention against the bribery of foreign government officials in international business transactions, together with any applicable implementing legislation including any applicable local law addressing bribery or corruption. “ applicable law ” means applicable federal, state and local laws, rules, regulations, including the regulations of the fda and data protection laws. “ background ip ” means all pre - existing intellectual property belonging to or licensed to a party or other intellectual property created outside the