law: Trade Marks Act, 1999  
  54. Registered user not to have right of
  
  assignment or transmission .- 
  Nothing in this Act shall confer on a
  
  registered user of a trade mark any assignable or transmissible right to the
  
  use thereof.
  Explanation1.- The right of a
  
  registered user of a trade mark shall not be deemed to have been assigned or
  
  transmitted within the meaning of this section in the following cases, namely
  
  :- 
  (a) where the registered user being an
  
  individual enters into a partnership with any other person for carrying on the
  
  business concerned, but in any such case the firm may use the trade mark, if
  
  otherwise in force, only so long as the registered user is a member of the
  
  firm.
  (b) where the registered user being a firm
  
  subsequently undergoes a change in its constitution, but in any such case the
  
  reconstituted firm any use the trade mark, if otherwise if force, only for so
  
  long as any partner of the original firm at the time of its registration as
  
  registered user, continues to be a partners of the reconstituted firm.
  Explanation II.- For the purpose of Explanation
  
  1, "firm" has the same meaning as in the Indian Partnership Act, 1932
  
  ( 9 of 1932).