Based on the volume of e-filing recorded in IPD’s designated information system from 1 January 2018 to 31 December 2018, the ranking of top e-filers of Forms T2, P4, P6 and D1 (any of such e-application which is lodged and immediately cancelled with reimbursement will not be counted) with full payment of the prescribed fees is as follows:
| Ranking | Firms |
| 1 | CHINAHONGKONG IP LIMITED |
| 2 | CHINA PATENT AGENT (HONG KONG) LIMITED |
| 3 | Deacons |
| 4 | Wilkinson & Grist |
| 5 | Accolade IP Limited |
| 6 | Marks & Clerk |
| 7 | HONG KONG UNITALEN INTELLECTUAL PROPERTY AGENCY LIMITED |
| 8 | Baker & McKenzie |
| 9 | CLT PATENT & TRADEMARK (H.K.) LIMITED |
| 10 | Standard HK Enterprise Registration Services Company Limited |
| 11 | C & H Int’l Consultant Limited |
| 12 | Hong Kong Intellectual Property Agent Limited |
| 13 | Spruson & Ferguson (Hong Kong) Limited |
| 14 | Barron & Young Intellectual Property Ltd |
| 15 | NTD PATENT & TRADE MARK AGENCY LIMITED |
| 16 | Mayer Brown |
| 17 | Liu, Shen & Associates |
| 18 | Sanyou International Intellectual Property Agency (Hong Kong) Limited |
| 19 | CHAN, TANG & KWOK |
| 20 | VIVIEN CHAN & CO. |
The latest update on e-filing is as follows:
No. of e-filers (as at 14 January 2019) : 344 e-filers (see list attached)
Total no. of e-transactions since 31 December 2003 (as at 14 January 2019) : 1,238,149
No. of applications filed electronically (From 1 January 2019 to 14 January 2019): –
- Applications for registration of trade marks (T2) : 72.37%
- Applications for standard patents (P4) : 90.34%
- Applications for registration of designs (D1) : 94.05%