Legal ethics and corporate/securities law expert (he's a twofer) Richard Painter tackles the titular question, concluding that:
The fact that Harvard Law School expressly disclaims endorsement of SRP’s viewpoint does little to mitigate the problem when SRP uses Harvard’s name, buildings, students and faculty as well as money raised by Harvard, to endorse a particular viewpoint and there is no other affiliate of Harvard endorsing the opposing viewpoint.
Check out the complete analysis.