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Expert Analysis

PTAB Ruling Illustrates Key Use For Prior Art References

By Jordan Gringauz, Shannon Patrick and Amanda Murphy ( October 12, 2022, 5:22 PM EDT) -- In the recent Liquidia Technologies Inc. v. United Therapeutics Corp.[1] decision, the Patent Trial and Appeal Board held all challenged claims of U.S. Patent No. 10,716,793, or the '793 patent, unpatentable under Title 35 of the U.S. Code, Section 103, based on the implicit teaching of a prior art reference....

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