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Bernadette Marshall

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Design Patent Drawings - Shading Rules And Regulations As Per Uspto & Pct Specifications, Bernadette Marshall Jul 2012

Design Patent Drawings - Shading Rules And Regulations As Per Uspto & Pct Specifications, Bernadette Marshall

Bernadette Marshall

According to The United States Patent and Trademark Office (USPTO) guidelines for Design Patents, the drawing disclosure is the most important element of the application.

As we will discuss in this article, in a design patent application, surface shading directly relates to clarity.

Proper application of various shading techniques including samples.

Tangencies – what they are and how they help a patent examiner understand the shape of an item.

Bold Lines - how they are used to emphasize openings, indentations and raised areas.

Different requirements for drawings in USA (USPTO) and international filings (PCT).

Conclusion: