Prosecution Insights
Last updated: October 02, 2026

Examiner: DING, CHUNLING

Tech Center 3600 • Art Units: 3685 3694 3699

This examiner grants 56% of resolved cases

Analysis

Chunling Ding operates in Tech Center 3600 and Art Unit 3685. The examiner has 189 resolved cases. The allowance rate for these cases is 56.1 percent. This 56.1 percent rate indicates that more than half of the 189 resolved cases resulted in a grant. This provides a clear expectation for applicants navigating the prosecution process in Art Unit 3685.

The data includes an interview lift of 61.5 percent. This lift represents the increase in the probability of allowance when an interview is held. The median days to allowance is 1128. This 1128-day timeline shows the duration of the prosecution process for granted applications. Practitioners can use the 56.1 percent allowance rate and the 61.5 percent interview lift to evaluate their strategy. The 1128-day median suggests that applications reaching a grant do so in a relatively defined period under this examiner's review of 189 cases.

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

Performance Statistics

56.1%
Allow Rate
+4.1% vs TC avg
204
Total Applications
+61.5%
Interview Lift
1128
Avg Prosecution Days
Based on 189 resolved cases, 2023–2026

Rejection Statute Breakdown

25.9%
§101 Eligibility
2.6%
§102 Novelty
38.2%
§103 Obviousness
27.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18850534 COMMUNICATION SYSTEM, METHOD AND COMPUTER PROGRAM Non-Final OA nChain Licensing AG
19560338 PROTECTING TOKENIZED STRUCTURES USING A PROTECTION ARCHITECTURE Non-Final OA Wells Fargo Bank, N.A.
19126918 DELIVERING USER DATA USING RESOURCE ADDRESS Non-Final OA VISA INTERNATIONAL SERVICE ASSOCIATION
18880629 TOKEN SERVICES FOR NON-FUNGIBLE TOKENS Non-Final OA Visa International Service Association

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month