Prosecution Insights
Last updated: October 04, 2026

Examiner: WANG, YI-KAI

Tech Center 3700 • Art Units: 1771 3611 3747

This examiner grants 84% of resolved cases

Analysis

Yi-Kai Wang is an examiner in Art Unit 1771 within Tech Center 3700. The examiner has 484 resolved cases, which results in an allowance rate of 83.9%. This rate of allowance is coupled with a median days to allowance of 723, indicating the prosecution cycle for successful applications. These figures make Art Unit 1771 a specific environment for applicants to evaluate.

The interview lift for this examiner is 9.2%. While the 83.9% allowance rate is the baseline, the 9.2% lift shows that interviews still offer a benefit in securing a grant. Practitioners should note that the 723-day median pendency is a key metric in Tech Center 3700. With 484 resolved cases, the data is statistically robust. The 83.9% allowance rate and 723-day timeline suggest that most applications will proceed to resolution, though the 9.2% lift remains available for complex cases. The 484 resolved cases provide a stable foundation for understanding the 83.9% allowance rate and the 723-day pendency.

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

Performance Statistics

83.7%
Allow Rate
+13.7% vs TC avg
499
Total Applications
+9.4%
Interview Lift
723
Avg Prosecution Days
Based on 485 resolved cases, 2023–2026

Rejection Statute Breakdown

2.0%
§101 Eligibility
26.8%
§102 Novelty
54.4%
§103 Obviousness
15.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19145249 METHOD AND CONTROL ARRANGEMENT FOR ESTIMATING A CRANKCASE VENTILATION FLOW RATE Non-Final OA Scania CV AB
19140043 HYDROGEN APPLICATION WITH COLLECTOR UNIT Non-Final OA ANGLO BELGIAN CORPORATION NV
18679320 METHOD OF MIXING A FUEL WITH AN OXIDANT, AND METHOD OF DECOMPOSING A FEEDSTOCK Non-Final OA EKONA POWER INC.

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