Japan Patent Office accepts (i) multiple dependent claim (multi claim) and does not accept (ii) multiple dependent claim dependent from another multiple dependent claim (multi-multi claim).

Examples of Claims
(Independent claim)
      Claim 1. A composition comprising A, B, and C.
(Single dependent claim)
      Claim 2. The composition according to claim 1, wherein the A is a.
(Single dependent claim)
      Claim 3. The composition according to claim 1, wherein the B is b.
(Mult claim)
      Claim 4. The composition according to any one of claims 1 to 3, wherein the C is c.
(Multi-multi claim)
      Claim 5. The composition according to any one of claims 1 to 4, further comprising D.

○ = Acceptable
● = Unacceptable
△ = USD 860 (USPTO fee)
Country Mult claimMulti-multi claim
Japan○●*1
USA△●
EP○○
China○●
Korea○●
Taiwan○●
India○○
Canada○○
Russia○●
Brazil○○
Australia○○
Singapore○○
Thailand○○
Indonesia○○
Malaysia○○
Vietnam○○
Philippines○●
Cambodia○○
Myanmar○○
Laos○○
UAE○○
Nigeria○○
South Africa○○

*1: As a result of the revision of the Ministerial Ordinance, multi-multi claim is no longer allowed for applications filed on or after April 1, 2022.

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