Life Sciences Perspectives
February 1, 2022

A Primer on Patenting Ranges

Clinical drug candidates are often claimed in a patent as a pharmaceutical composition or formulation with a specified concentration range of the drug or an excipient; as being purified within certain temperature or pH ranges; or in a method of treating a disease by administering the drug at a certain dosage range. For a claim to be patentable over any prior disclosure, the claim must be novel and nonobvious. But how would a drug developer know that the claimed ranges are patentable over a prior disclosure of overlapping or broader ranges?

Read the insight.

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