Original sentence: Being an open standard also does not necessarily imply that no licenses to patent rights are needed to use the standard or that such licenses are available for free.For example, the standards published by the major internationally-recognized standards bodies such as the ITU, ISO, and IEC are ordinarily considered open, but may require patent licensing fees for implementation.Many standards are proprietary rather than being open, and must be licensed from the organization that owns the copyright for the standard before obtaining a copy
Edited sentence: Many standards are proprietary rather than being open, and must be licensed from the organization that owns the standard