Things can be replaced if done accurately.

PatReAn provides expertise with the replacement sheet requirements. It is a sheet that is used when the figures with defects are replaced with modified figures. As per the U.S. Patent and Trademark Office (USPTO), every replacement sheet of a patent drawing must comply with § 1.84 and should include all the figures that appear in the original version of the sheet.

Providing you with experienced illustrators when it comes to replacement sheet preparation in terms of patent drawings.