Prosecution Insights
Last updated: October 02, 2026

Examiner: CHIN, CHRISTOPHER L

Tech Center 1600 • Art Units: 1641 1674 1677

This examiner grants 81% of resolved cases

Analysis

Christopher L Chin is a patent examiner in Art Unit 1641 within Tech Center 1600. He has overseen 714 resolved cases. The allowance rate for these cases is 80.8 percent. This high rate suggests that the majority of applications reaching a final resolution in this docket result in a patent grant.

The interview lift for this examiner is 22.7 percent. This positive lift indicates that conducting an interview improves the probability of allowance beyond the 80.8 percent baseline. Practitioners should consider that the 22.7 percent lift provides a significant statistical advantage for resolving outstanding rejections during the prosecution process.

The median days to allowance is 1342. This timeframe represents the duration from the initial filing to the final issuance of a patent. With 714 resolved cases, the 1342 days to allowance and the 80.8 percent allowance rate offer a robust statistical profile for applicants in Tech Center 1600 and Art Unit 1641.

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

Performance Statistics

80.8%
Allow Rate
+20.8% vs TC avg
732
Total Applications
+22.7%
Interview Lift
1342
Avg Prosecution Days
Based on 714 resolved cases, 2023–2026

Rejection Statute Breakdown

3.4%
§101 Eligibility
17.6%
§102 Novelty
27.4%
§103 Obviousness
36.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17050560 A DEVICE AND METHOD FOR DETERMINING CELL INDENTATION ACTIVITY Final Rejection TECHNION RESEARCH & DEVELOPMENT FOUNDATION LIMITED
18309612 SYSTEM, METHOD AND SENSOR ASSEMBLY Non-Final OA Analog Devices International Unlimited Company
18376380 METHOD AND APPARATUS FOR ORDERED NANOPLASMONIC SENSOR FORMATION THROUGH MICROFLUIDIC ASSEMBLY Non-Final OA THE TRUSTEES OF DARTMOUTH COLLEGE
17903550 OPTICAL ANALYTE DETECTION SYSTEMS AND METHODS OF USE Non-Final OA The Board of Trustees of the University of Illinois
17399207 MOLECULAR SENSOR BASED ON VIRTUAL BURIED NANOWIRE Final Rejection Ramot at Tel-Aviv University Ltd.
17834518 METHODS OF PROTEIN CLIPS RECOVERY Non-Final OA AMGEN INC.
18683656 METHOD AND SYSTEM FOR THE MONITORING OF AN ANALYTE OF INTEREST Non-Final OA TECHNISCHE UNIVERSITEIT EINDHOVEN
16910544 DIAGNOSTIC APPARATUS, DIAGNOSTIC DEVICE AND DIAGNOSIS METHOD Final Rejection SUGENTECH, INC.

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