This Article discusses the Top 10 BioTechnology Patent Cases of 2020. Suffice it to say that biotechnology patent law will continue to vigorously evolve, and we plan to continue our coverage of its evolution beyond the current trilogy of Biotechnology Patent Law Top Tens. As in previous years, we admit it was difficult to choose precisely ten top biotechnology patent law decisions. There are certainly others we did not include that warrant close attention for their reasonings, rules, and future implications. Nevertheless, both we and our readers can count, so we have done our best to select what we consider to be the top ten biotechnology patent law decisions of 2020. We discuss these decisions below