"组成法人组织的" can be translated as "constituting a corporate entity" or "forming a legal person organization".
Here are two example sentences to illustrate the usage:
1、 These individuals and assets are constituting a corporate entity for specific business purposes.
(这些个人和资产组成了一个法人组织,用于特定的商业目的。)
2、 The agreement outlines the terms and conditions for forming a legal person organization with shared responsibilities and benefits.
(该协议概述了组成一个具有共同责任和利益的法人组织的条款和条件。)