Prosecution Insights
Last updated: October 02, 2026

Examiner: PARK, CHAN S

Tech Center 2600 • Art Units: 2624 2625 2664 2669

This examiner grants 70% of resolved cases

Analysis

Chan S. Park is an examiner in Tech Center 2600 and Art Unit 2624, with 158 resolved cases. His allowance rate of 70.3% indicates a high probability of success for patent applicants. This 70.3% rate suggests that a majority of applications result in a grant. The 158 resolved cases provide a solid statistical basis for understanding the prosecution landscape in this art unit.

The median days to allowance for his cases is 1435. This 1435-day metric provides a benchmark for the time required to reach a successful resolution. For practitioners, the 1435 days to allowance is an important piece of information for managing client expectations and project timelines. This 1435-day figure reflects the typical pace of prosecution within Tech Center 2600 for this examiner.

The interview lift of 43.1% is exceptionally high, suggesting that interviews are a very powerful tool for securing an allowance. This 43.1% lift indicates that applications are much more likely to be allowed following an interview with the examiner. Given the 70.3% base allowance rate, the 43.1% lift is a critical factor for practitioners to consider. Utilizing the 43.1% lift could be the most effective strategy for successfully navigating the 158 resolved cases in Art Unit 2624.

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

Performance Statistics

70.3%
Allow Rate
+8.3% vs TC avg
169
Total Applications
+43.1%
Interview Lift
1435
Avg Prosecution Days
Based on 158 resolved cases, 2023–2026

Rejection Statute Breakdown

11.2%
§101 Eligibility
19.1%
§102 Novelty
40.0%
§103 Obviousness
26.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18980364 TARGET RECOGNITION SYSTEM, TARGET RECOGNITION METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
19008731 METHOD FOR DETERMINING ITEMS OF OBJECT INFORMATION IN A MEDICAL EXAMINATION AND/OR TREATMENT ARRANGEMENT, MEDICAL EXAMINATION AND/OR TREATMENT ARRANGEMENT, COMPUTER PROGRAM AND ELECTRONICALLY READABLE DATA MEDIUM Non-Final OA Siemens Healthineers AG
18998530 INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING SYSTEM Non-Final OA Sony Semiconductor Solutions Corporation
19008610 AUTOMATED IMAGE QUALITY ASSESSMENT Non-Final OA MEDIATEK INC.
18043522 HOT WORD EXTRACTION METHOD AND APPARATUS, ELECTRONIC DEVICE, AND MEDIUM Non-Final OA BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD.

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