Are drawings required for a patent application to receive a filing date under the new rules?

For applications filed on or after December 18, 2013, drawings are not required to receive a filing date, except for design patent applications. However, it’s important to note that drawings may still be necessary for understanding the invention. The MPEP clarifies: Also, for applications filed on or after December 18, 2013, an application (other than…

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What is the ‘nexus’ requirement for commercial success in patent applications?

The ‘nexus’ requirement is crucial when asserting commercial success as evidence of non-obviousness in patent applications. According to MPEP 716.03(a): The term ‘nexus’ designates a factually and legally sufficient connection between the evidence of commercial success and the claimed invention so that the evidence is of probative value in the determination of nonobviousness. To establish…

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