Patent electronic application, drawings need to be converted into PDF format.

Patent application documents have a fixed format, which generally requires standard A4 paper, and the header, footer and margins have a fixed format. Under normal circumstances, the application documents will be made into a standard word file, and then printed, press ctrl+p, and then selected and converted into PDF format. As for the number of pages, it doesn't matter. Generally, there is no limit on the number of pages.