Prosecution Insights
Last updated: October 26, 2026

Liang Che A Wang, USPTO Patent Examiner

Listed by the USPTO as WANG, LIANG CHE A

Tech Center 2400 • Art Units: 2153 2447 2453

This examiner grants 86% of resolved cases

Analysis

WANG, LIANG CHE A is assigned to Tech Center 2400 and Art Unit 2153. The record contains 758 resolved cases, an 86.0% allowance rate, and a median of 998 days to allowance. The allowance rate indicates that most resolved matters reached allowance, while the median timing places the typical outcome beyond two years.

The interview lift of 9.4% indicates a modest positive association between interviews and allowance. The leading companies are ABB Schweiz AG, Huawei Technologies Co., Ltd., and Lenovo (United States) Inc. The leading firms are CANTOR COLBURN LLP, FIG. 1 Patents, and Fitch, Even, Tabin & Flannery, LLP. Applicants may focus on efficient written prosecution and use interviews to address specific issues without overrelying on them.

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

Performance Statistics

86.0%
Allow Rate
+28.0% vs TC avg
773
Total Applications
+9.4%
Interview Lift
998
Avg Prosecution Days
Based on 758 resolved cases, 2023–2026

Rejection Statute Breakdown

11.7%
§101 Eligibility
27.5%
§102 Novelty
34.7%
§103 Obviousness
17.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19088185 PREVENTING DUPLICATIVE FILE PROCESSING Final Rejection Capital One Services, LLC
18952070 Orchestration in Industrial Production Plants Non-Final OA ABB Schweiz AG
19222402 Data Flow Scheduling Method and Related Device Non-Final OA Huawei Technologies Co., Ltd.
19113300 APPARATUS AND METHOD FOR INTRODUCING A DATA PREPARATION CONFIGURATION POLICY Non-Final OA Lenovo (Singapore) Pte. Limited
18871303 Unlocking Method, Terminal Device and Storage Medium Final Rejection ZTE Corporation

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Frequently Asked Questions

What is examiner Liang Che A Wang's allowance rate?

86.0% of resolved applications examined by Liang Che A Wang were allowed (758 resolved cases), compared with 72.2% across Art Unit 2153 over the last five years.

Does an interview help with examiner Liang Che A Wang?

This examiner's interview lift is +9.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Liang Che A Wang take to allow a patent?

Applications allowed by Liang Che A Wang took 998 days on average from filing to allowance.

Which art unit does examiner Liang Che A Wang work in?

Liang Che A Wang examines applications in Art Unit 2153 in Tech Center 2400 (Networking & Security).

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