Changes in the 4th Amendment to China Patent Law and comparison with the US in design patent
i. Patent protection term and partial design
After the 4th amendment of China Patent Law, China has extend the design patent protection term from 10 years to 15 years, from the date of filling. In the US, the term is also 15 years, from the date of grant. Before the amendment, China only allow to use solid lines to protect the design as whole product. Now, as the same in the US, China start to allow partial design protection by using broken lines.
19 January 2022