Prosecution Insights
Last updated: October 02, 2026

Examiner: LING, CHHIAN

Tech Center 2400 • Art Units: 2418 2446 2472

This examiner grants 87% of resolved cases

Analysis

Chhian Ling works in Tech Center 2400 and Art Unit 2418, with 460 resolved cases. The examiner's allowance rate is 87.2 percent, which suggests the outlook for applicants. This 87.2 percent rate means that a large majority of the 460 cases handled by this examiner result in a grant, providing a clear expectation for prosecution outcomes.

The interview lift is 25.6 percent. This metric indicates that direct communication with the examiner is a strategy that increases the probability of allowance over the 87.2 percent baseline. Practitioners should view the 25.6 percent lift as a tool for resolving final issues in the 460 cases reviewed. The 25.6 percent lift is a factor in the examiner's profile in Tech Center 2400.

The median days to allowance is 899 days. This timeline provides an expectation for the duration of the prosecution process. The 899-day median, combined with the 87.2 percent allowance rate, suggests that the process leads to a successful outcome within a specific timeframe in Art Unit 2418. The 899-day figure is based on the 460 cases resolved by the examiner.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

87.2%
Allow Rate
+29.2% vs TC avg
470
Total Applications
+25.6%
Interview Lift
899
Avg Prosecution Days
Based on 460 resolved cases, 2023–2026

Rejection Statute Breakdown

13.7%
§101 Eligibility
11.1%
§102 Novelty
59.3%
§103 Obviousness
10.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18846730 CONTROL DEVICE, CONTROL METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM Non-Final OA NEC Corporation
18426264 PERIODIC SERVICE TRANSMISSION METHOD AND COMMUNICATION APPARATUS Final Rejection HUAWEI TECHNOLOGIES CO., LTD.
18849379 COMMON ENERGY SIGNAL CONFIGURATIONS Non-Final OA QUALCOMM Incorporated
18840386 SIGNALING FOR AGGREGATED CHANNEL BANDWIDTH FOR CARRIER AGGREGATION Non-Final OA QUALCOMM Incorporated
18627268 TRANSMITTING MULTIPLE PHYSICAL RANDOM ACCESS CHANNEL (PRACH) CONFIGURATIONS IN ACCORDANCE WITH PRACH CONFIGURATION RESTRICTIONS Final Rejection QUALCOMM Incorporated
18858498 METHOD AND APPARATUS FOR DETERMINING A SENSING BEAM ASSOCIATED WITH A PLURALITY OF COMMUNICATION TARGET DEVICES Non-Final OA Lenovo (Singapore) Pte. Limited
18784683 SYSTEM AND METHOD FOR COMPARTMENT QUOTAS IN A CLOUD INFRASTRUCTURE ENVIRONMENT Non-Final OA ORACLE INTERNATIONAL CORPORATION
18761802 COMMUNICATION CONTROL METHOD Non-Final OA KYOCERA Corporation
18939292 SYSTEMS AND METHODS FOR PRIORITIZING SERVICE SET IDENTIFIERS ON A WIRELESS ACCESS POINT Non-Final OA Comcast Cable Communications, LLC
18769023 WIRELESS COMMUNICATION METHOD, TERMINAL DEVICE, AND NETWORK DEVICE Non-Final OA GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
18806319 INTERNET-OF-VEHICLES POWER SAVING SCHEMES Non-Final OA ZTE Corporation
18794621 DATA TRAFFIC CONTROLLER FOR MOBILE DISTRIBUTED ENTITIES Non-Final OA BOOST SUBSCRIBERCO L.L.C.
18840451 METHOD FOR DETERMINING CELL RESELECTION PRIORITY, USER EQUIPMENT AND STORAGE MEDIUM Non-Final OA BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
18579910 A METHOD FOR MANAGING INTERNET CONNECTION OF AN APPLIANCE Final Rejection ELECTROLUX APPLIANCES AKTIEBOLAG
18833548 RANDOM ACCESS METHOD, DEVICE, AND STORAGE MEDIUM Non-Final OA Beijing Unisoc Communications Technology Co., Ltd.

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