Dual filing Archives - Spruson & Ferguson

17th Nov 2025

China | Patent rules changed for dual filing, abandon utility model for grant of invention patent

Further to our previous article on dual filing in China, a revision has now been released that fundamentally alters examination practices and legal consequences for such filings. On 13 November...

Further to our previous article on dual filing in China, a revision has now been released that fundamentally alters...

4th Sep 2025

China | Draft changes to dual filing in China

With double patenting prohibited in China, many applicants have utilised a dual filing strategy to secure patent rights, but this may be set to change. As noted in our article...

With double patenting prohibited in China, many applicants have utilised a dual filing strategy to secure patent rights, but...

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