Legal status codes for Taiwan (TW)

KEY:

RED

 = 

Negative action

 

GREEN

 = 

Positive action

 

BLACK

 = 

Neutral action

Code

 Description

MA4A -

Abandonment or withdrawal of an invention patent

MA4K -

Abandonment or withdrawal of a utility model

MC4A -

Revocation of granted patent

MC4K -

Revocation of granted utility model

MK4A -

Expiration of patent term of an invention patent

MK4K -

Expiration of patent term of a granted utility model

MM4A -

Annulment or lapse of patent due to non-payment of fees

MM4K -

Annulment or lapse of a utility model due to non-payment of fees

GD4A +

Issue of patent certificate for granted invention patent

GD4K +

Issue of patent certificate for granted utility model filed before june 30, 2004

KB4A +

Renewal fee paid for a granted patent

KB4K +

Renewal fee paid for a utility model

KA4A

Renewal fee due for a granted patent

KA4K

Renewal fee due for a granted utility model