Ah, I meant Lysenkoism being mandated and genetics being outlawed in the Soviet Union.

> but saying "physical possession is equivalent to ownership" is just a very fringe political opinion.

It is a fringe opinion in today's West, but only relatively recently: since the 1970s, one might argue. The fringe opinion, to be clear, is the older one implied to some degree by "possession is nine tenths of the law", and which views copyright and patent as an artificial grant from the State, useful, but not property in the same sense as a table or a knife is someone's property.

(edited for typo)