Divisional Applications
Compositions Limited by Use: A Cautionary Tale
26 October 2022Section 4.2.3, Part II Chapter 10 of the CNIPA’s Examination Guidelines (“Guidelines”) stipulates that if the specification only discloses one property or use of a composition, the composition claim shall be drafted as a “composition limited by the function or the use”. Furthermore, it specifically states that “most pharmaceutical claims shall be drafted as claims […]
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CHINA DIVISIONAL PATENT STRATEGY: Recent Judgment Narrows What Constitutes “Different Inventions” for Divisionals
6 December 2021In China, patents applicants take advantage of a commonly-used divisional filing strategy to achieve a fine-tuned balance between protection scope and protection period (if used properly). Patent applicants (especially foreign applicants) widely welcome this well-established strategy, and up until now, have used it with much success. In fact, we recommend this strategy and have even […]
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