Prosecution Insights
Last updated: October 02, 2026

Examiner: YANG, ANDREW

Tech Center 3700 • Art Units: 3733 3773 3774 3775

This examiner grants 84% of resolved cases

Analysis

Andrew Yang is an examiner in Tech Center 3700 and Art Unit 3733. The profile shows a volume of 1316 resolved cases. The allowance rate is 84.3 percent, and the median days to allowance is 988. These metrics indicate the typical success rate and timeline for applications assigned to this examiner. The 988 day median provides a benchmark for the duration of the prosecution process from filing to grant.

The interview lift is 10.5 percent. This indicates that conducting an interview is linked to a higher likelihood of allowance compared to cases without one. For the 1316 resolved cases, the 10.5 percent lift and the 84.3 percent allowance rate suggest that interviews are a useful tool for practitioners. Engaging in oral advocacy may help in navigating the 988 day median prosecution period more effectively for applications in Art Unit 3733.

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

Performance Statistics

84.3%
Allow Rate
+14.3% vs TC avg
1,336
Total Applications
+10.5%
Interview Lift
988
Avg Prosecution Days
Based on 1316 resolved cases, 2023–2026

Rejection Statute Breakdown

3.7%
§101 Eligibility
35.4%
§102 Novelty
34.2%
§103 Obviousness
14.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19278100 SPINAL CAGE DEVICES, SYSTEMS, AND METHODS OF ASSEMBLY AND USE Non-Final OA MiRus LLC
19077327 BALL AND SOCKET JOINT SYSTEM AND METHOD THEREFOR Non-Final OA HOWMEDICA OSTEONICS, CORP.
19271853 SURGICAL INSTRUMENT AND METHOD Non-Final OA Warsaw Orthopedic, Inc.
18790445 FIXATION-FREE ROBOTIC SURGERY Non-Final OA Smith & Nephew, Inc.
19098293 GAUGE APPARATUS FOR SURGICAL TOOL Non-Final OA Arthrex, Inc.
18845568 PATIENT SPECIFIC TOTAL TALUS FOR TOTAL ANKLE ARTHROPLASTY Non-Final OA Arthrex, Inc.
18875819 CARTILAGE AND BONE HARVEST AND DELIVERY SYSTEM AND METHODS Non-Final OA University of Utah Research Foundation

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