The English legal name of the title deed is Deed Poll. It refers to a legal contract concluded by an individual and signed by a lawyer.
Then, you have to go to a law firm and have a "deed of change of name" witnessed by a lawyer, and then the applicant can change the name of the ID card with the "deed of change of name" at the Personnel Registration Office of the Immigration Department. The procedure is very simple. Just hand in your old ID card together with the "deed of name change" and fill out an application form. There are six Registration of Persons Offices in Hong Kong. Their addresses and telephone numbers are as follows:
Hong Kong District Office: 8th Floor, Immigration Tower, 7 Gloucester Road, Wan Chai, 2824 611.
Kowloon District Office: 3rd Floor, Cheung Sha Wan Government Offices, 303 Cheung Sha Wan Road, 2 150 7933.
Kwun Tong District Office: Rooms 54-60, 2nd floor, Amoy Shopping Mall, 77 Ngau Tau Kok Road, Tel: 2755 9545.
Fotan Office: Shop 405 and Shop 406, 4th Floor, Yinxige Commercial Market, No.2-18, Le Jing Street, Fotan, 2653 3 1 16.
Yuen Long District Office: 3rd Floor, Yuen Long Government Offices, No.2 Qiaoyuefang, Yuen Long, 2475 4 1 14.
In addition, for details, please call the Immigration Department at 2842 611or refer to the website of the Immigration Department.
Most lawyers in Hong Kong "change their names" and charge a flat fee of HK$ 500 ~ ~ ~