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Patent

European style claim set preferred in Japan

January 11, 2011

Fully relaxed multiple dependency in Japan

1. Global situation – Comparative analysis

(1) Type 1- US

i) a multiple dependent claim can not serve as a basis for other multiple dependent claims.

ii) a claim set containing a multiple dependent claim requires $390

(2) Type 2 – China, Korea, Taiwan, PCT, and etc.

a multiple dependent claim can not serve as a basis for other multiple dependent claims.

(3) Type 3 – EPC, JP

a multiple dependent claim can serve as a basis for other multiple dependent claims

2. Practice guideline

(1) Use the multiple dependencies as much as possible in the claim set

(2) Please be careful about the order of claims in the claim set because only the first claimed invention is examined by the examiner as in ISR of PCT


End of report

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