Prosecution Insights
Last updated: October 26, 2026

Charlie Sun, USPTO Patent Examiner

Listed by the USPTO as SUN, CHARLIE

Tech Center 2100 • Art Units: 2196 2198

This examiner grants 91% of resolved cases

Analysis

Sun, Charlie is assigned to Tech Center 2100 and Art Unit 2196. The record includes 512 resolved cases and a 91.0% allowance rate. This substantial case history gives practitioners a clear reference point for evaluating expected outcomes and shaping prosecution strategy in the relevant subject area.

The interview lift is 12.2%, indicating that interviews are associated with an improved allowance outcome in the available data. The median time to allowance is 882 days. The listed companies are Bank of America, Dell Products, and Assured Insurance Technologies. The listed firms are ARC PATENTS, BANNER & WITCOFF, and Harrity & Harrity.

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

Performance Statistics

91.0%
Allow Rate
+36.0% vs TC avg
539
Total Applications
+12.2%
Interview Lift
882
Avg Prosecution Days
Based on 512 resolved cases, 2023–2026

Rejection Statute Breakdown

14.1%
§101 Eligibility
9.8%
§102 Novelty
44.1%
§103 Obviousness
24.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18624243 IN-VEHICLE DEVICE AND METHOD TO BE EXECUTED BY IN-VEHICLE DEVICE Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18714036 ADAPTIVE SCHEDULING FOR EXECUTING MACHINE LEARNING OPERATIONS IN A MULTIPROCESSOR COMPUTING DEVICE Non-Final OA QUALCOMM Incorporated
18676204 POLICY-BASED EXECUTION OF COMMANDS IN A DISTRIBUTED COMPUTING ENVIRONMENT Non-Final OA Salesforce, Inc.
18761303 SECURE COMPUTING MECHANISM Non-Final OA Microsoft Technology Licensing, LLC
18067439 Managing Physical Resource Usage Via an On-Demand Virtual Queue Non-Final OA International Business Machines Corporation
18623970 DISTRIBUTED SENSOR TRACKING ACCELERATION FOR DATA CENTER MANAGEMENT Non-Final OA Hewlett Packard Enterprise Development LP
18399319 AUTOMATION RULE CREATION FOR COLLABORATION PLATFORMS Final Rejection Atlassian Pty Ltd.
18785082 MULTI-POWER-DOMAIN EMULATED PERSISTENT MEMORY RESOURCE SYSTEM Non-Final OA Dell Products L.P.
18642570 USER INTERFACE COMPONENT AND WORKFLOW GENERATOR Non-Final OA Dell Products L.P.

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Frequently Asked Questions

What is examiner Charlie Sun's allowance rate?

91.0% of resolved applications examined by Charlie Sun were allowed (512 resolved cases), compared with 71.7% across Art Unit 2196 over the last five years.

Does an interview help with examiner Charlie Sun?

This examiner's interview lift is +12.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Charlie Sun take to allow a patent?

Applications allowed by Charlie Sun took 882 days on average from filing to allowance.

Which art unit does examiner Charlie Sun work in?

Charlie Sun examines applications in Art Unit 2196 in Tech Center 2100 (Computing & Software).

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