Citation: 4A_350/2020 E. 3.3.1

3.3.1. Die die Abtretung von Forderungen aus dem Transition Agreement regelnde Ziff. 5.2 lautet wie folgt: «C.________ AG and C.________ GmbH shall be entitled to assign this Transition Agreement or any right or obligaton hereunder, in whole or in part to Cb.________ or any other affiliate of Ca.________ Group. A.________ should be informed at a reasonable time prior to any new assignment of any other affiliate of Ca.________ Group. Neither this Transition Agreement nor any right nor obligations hereunder shall be assignable by A.________, without the prior written approval of Ca.________, and any attempted assignment without the prior written consent shall be null and void.» In der Abtretungsvereinbarung zwischen den C.________-Konzerngesellschaften und der Beschwerdegegnerin (Letter of Assignment) wird Folgendes festgehalten: «ASSIGNORS transfer to ASSIGNEE all existing and future claims and rights against A.________ [...] arising from or in connection with the following Agreements: [Distribution Agreement inkl. Addendum sowie Transition Agreement inkl. Amendment]. The ASSIGNEE is hereby authorized to inform A.________ [...] about the present Assignment, to sue A.________ [...] for outstanding debts and/or for non-purchase of agreed product quantities as well as to pursue any other legal actions against [A.________].»