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Does the 4x4 Patent Filing Strategy Have Any Drawbacks?

I am just wondering.

I can see that one can stretch the company´s money by putting a multitude of inventions  "ABCD " into one single PCT patent application, and later prosecuting them to grant, using divisional/continuation patent applications, as explained here https://ip-lawyer-tools.com/course/patent-strategy-basics/

But does it come with any disadvantages?



These are some drawbacks that I have noticed over the years: some countries publish basic data of patent applications before they are published after 18 months. For example in Singapore, a patent appl ... [read more]