1, both need to be changed-Article 15 of the Detailed Rules for the Implementation of the Patent Law.
2. It will affect the ownership of patent rights.
3. There is no time limit in the Patent Law and Detailed Rules.
4. There is no international patent. If it is a PCT patent entering China, the same as above. Most foreign patent laws also need to be amended.
If you apply for a patent in the name of your boss, it is a personal patent, not a patent of your company.
6. If it is used by an unqualified branch, there is no need to go through any formalities.
If it is a branch with legal personality, it is best to sign a patent licensing contract and register it in China National Intellectual Property Administration. Don't do it if it's too much trouble, as long as there is no public to report the infringement of your branch.