Listed by the USPTO as APPIAH, CHARLES NANA
Tech Center 4100 • Art Units: 2617 2641 2642 4100
This examiner grants 47% of resolved cases
APPIAH, CHARLES NANA is a USPTO patent examiner in tech center 4100 and art unit 2617. The profile covers 60 resolved cases, with an allowance rate of 46.7% and a median of 1186 days to allowance. Interview lift is 15.5%, indicating a positive association between interviews and allowance outcomes in the recorded cases.
The leading companies are Qualcomm Incorporated, Huawei Technologies Co., Ltd., and The Toronto-dominion Bank. The leading firms are THE WEBB LAW FIRM, P.C., Weaver Austin Villeneuve & Sampson LLP - QUAL, and Hitaffer, PLLC. The 60-case record makes the measures directional. The allowance rate supports careful claim and evidence development, while the positive interview lift supports targeted examiner engagement. The 1186-day median underscores the need for deliberate timing.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 18584220 | LOCATION DETERMINING METHOD AND APPARATUS | Non-Final OA | HUAWEI TECHNOLOGIES CO., LTD. |
| 18862171 | HANDLING PRIVILEGES WHILE CHANGING GEOGRAPHICAL REGIONS | Non-Final OA | QUALCOMM Incorporated |
| 18312455 | SYSTEMS AND METHODS FOR PROVISION OF NETWORK COVERAGE INFORMATION TO WIRELESS DEVICES AND ENTITIES | Non-Final OA | QUALCOMM Incorporated |
| 17798457 | TERMINAL AND CAPABILITY INFORMATION TRANSMISSION METHOD | Non-Final OA | NTT DOCOMO, INC. |
| 17942345 | Transmission or Reception Configuration Method and Electronic Device | Non-Final OA | VIVO MOBILE COMMUNICATION CO.,LTD. |
| 18584406 | SYSTEM AND METHODS FOR PAIRING AND CONFIGURING NETWORK DEVICES | Non-Final OA | Qorvo US, Inc. |
IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.
Build Your Strategy46.7% of resolved applications examined by Charles Nana Appiah were allowed (60 resolved cases), compared with 66.3% across Art Unit 2617 over the last five years.
This examiner's interview lift is +15.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.
Applications allowed by Charles Nana Appiah took 1,186 days on average from filing to allowance.
Charles Nana Appiah examines applications in Art Unit 2617 in Tech Center 4100.