(1) patent application consultation;
(2) Acting as an agent to write patent application documents, apply for patents, go through examination and approval procedures and go through various procedures in post-examination affairs;
(3) Acting as an agent for the examination of patent applications, the revocation or invalidation of patent rights, or providing consultation on the above procedures;
(four) to handle the transfer of patented technology or provide consultation;
(5) Other related patent affairs [1]