exhibit 10. 20 software license agreement ( “ agreement ” ) this agreement is made effective as of the 18th day of november 2005, by and between answerthink, inc., a fl corporation, with offices at 225 washington street, conshohocken, pa 19428, ( “ provider ”, ), and abiomed, inc., a ma corporation, with offices at 22 cherry hill drive, danvers, ma 01923 ( “ licensee ” ). 1. definitions. 1. 1 “ subsidiary ” means a corporation in the territory of which licensee owns more than fifty percent ( 50 % ) of the voting securities. this entity will be considered a subsidiary for only such time as such equity interest is maintained. for the purpose of this agreement, impella cardiosystems gmbh shall be considered a subsidiary but only for such time as licensee continues to own more than fifty percent ( 50 % ) of the voting securities.. in the event licensee acquires entities outside the territory ( owning more than 50 % of the voting securities of such entity ), licensee may request approval from provider, which approval shall not be unreasonably withheld, that any such entity be included as a subsidiary under this agreement, but only in the event such entity does not already have use rights or is then currently receiving maintenance services to any sap software under another agreement. if provider agrees,, to include such entity as a subsidiary under this agreement, the parties shall execute an amendment to this agreement including the entity as a subsidiary and such entity shall execute a subsidiary agreement. such entity shall be considered a subsidiary for only such time as licensee continues to own more than fifty percent ( 50 % ) of the voting securities. 1. 2 “ business partner ” means an entity that requires access to the software in connection with the operation of licensee ’ s business, such as customers, distributors and suppliers. 1. 4 “ documentation ” means sap ’ s documentation which is delivered to licensee under this agreement. 1. 4 “ modification ” means a change to the software that changes the delivered source code, or an enhancement to the software that is made using sap tools or utilizing or incorporating sap proprietary information. 1. 5 “ named users ” means any combination of users licensed under this agreement. 1. 6 “ proprietary information ” means : ( i ) with respect to sap and sap ag ( the licensor of the sap proprietary information to sap ), the