Prosecution Insights
Last updated: October 02, 2026

Examiner: CHU, DAVID H

Tech Center 2600 • Art Units: 2611 2616 2628 2679

This examiner grants 78% of resolved cases

Analysis

David H. Chu operates in Art Unit 2611 of Tech Center 2600 and has 705 resolved cases. The allowance rate is 78.3 percent. This percentage reflects the frequency of grants within the examiner's portfolio. The median days to allowance is 1001, which measures the time from the initial filing to the final issuance.

The interview lift is 3.0 percent. This figure indicates the change in the probability of success for cases that include an interview. Practitioners can use this 3.0 percent lift to evaluate the impact of oral advocacy. The 705 cases provide the statistical grounding for these observations in Art Unit 2611.

The 1001 median days to allowance acts as a guide for prosecution timelines in Tech Center 2600. With an allowance rate of 78.3 percent, the data shows the frequency of successful outcomes. These metrics offer a clear perspective on the examiner's historical performance. The record of resolved cases helps in understanding the procedural environment.

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

Performance Statistics

78.3%
Allow Rate
+16.3% vs TC avg
728
Total Applications
+3.0%
Interview Lift
1001
Avg Prosecution Days
Based on 705 resolved cases, 2023–2026

Rejection Statute Breakdown

7.9%
§101 Eligibility
17.2%
§102 Novelty
62.8%
§103 Obviousness
4.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19172978 DISPLAY CONTROL DEVICE Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
17899935 SOCIAL MEMORY RE-EXPERIENCING SYSTEM Final Rejection Snap Inc.
19009412 XR OBJECT RENDERING METHOD AND COMMUNICATION APPARATUS AND SYSTEM Non-Final OA Huawei Technologies Co., Ltd.
18938157 COOPERATIVE EXECUTION OF SUBGROUP OPERATIONS Non-Final OA QUALCOMM Incorporated
19172494 SYSTEMS AND METHODS FOR DYNAMIC TRANSPARENCY ADJUSTMENTS FOR A MAP OVERLAY Non-Final OA Adeia Guides Inc.
18120128 EXTENDED REALITY PRIVACY USING KEYED FEATURE TRANSFORMS Final Rejection Adeia Guides Inc.
19001775 TASK PROCESSING METHOD AND DEVICE Non-Final OA Lenovo (Beijing) Limited
18913567 IMAGE PROCESSING Non-Final OA Hewlett-Packard Development Company, L.P.
18665073 EXTENDED REALITY-BASED-CONTROL METHOD, APPARATUS, ELECTRONIC DEVICE AND STORAGE MEDIUM Non-Final OA Beijing Zitiao Network Technology Co., Ltd.
18536778 TRANSITION OF PHYSICAL PROCESS ARTIFACTS FOR MIXED REALTY INTERACTIONS Non-Final OA SAP SE
19173005 METHOD AND DEVICE FOR PRODUCING A PLASTIC DESIGN ELEMENT ON AN AUTHENTICATION DATA CARRIER Non-Final OA Giesecke+Devrient ePayments GmbH
18216619 INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM Non-Final OA GREE, Inc.
18814511 APPARATUS FOR PROVIDING DIGITAL CONTENT BASED UPON A GEOSPATIAL LOCATION Final Rejection Middle Chart, LLC

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