Hi William, I think you may have misread who wrote what. The assertion that HL7 is proprietary was made by Fred Trotter, not by Heath.
Peter fred trotter wrote: > ... > Having said that, HL7 RIM is a proprietary ontology/model and OpenEHR, is > not. William Goossen wrote: > Ar this stage membership is open to anyone for both HL7 and OpenEHR. Hence > they are both open. Difference is that HL7 is an SDO and OpenEHR a community. > But yes both have their copyright approaches. I have not gone through each of > them in detail. But as a user of both platforms it does not make a > difference, in contrast to what Heath said.