Nadezda Razvodovska /
9 July 2015EuropeRichard Clegg

Post-Selex: the EPO’s approach

Occasionally, advances in biotechnology yield novel classes of molecule. Monoclonal antibodies represent an early example. Never patented at a class level, structurally defining monoclonal antibodies as a class would have been challenging against the backdrop of polyclonal antibody prior art available at the time—but at least antibodies have common structural characteristics that distinguish them from other substrate-binding proteins.

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