Prosecution Insights
Last updated: October 02, 2026

Examiner: CHANG, OLIVIA C

Tech Center 3700 • Art Units: 3775

This examiner grants 84% of resolved cases

Analysis

Olivia C Chang is an examiner in Tech Center 3700 and Art Unit 3775, with 736 resolved cases. Her allowance rate is 84.4 percent, which is quite high. This 84.4 percent figure indicates that the vast majority of applications in her 736 resolved cases result in a grant.

The median days to allowance is 1047, offering a benchmark for the time required to reach an allowance. An interview lift of 13.3 percent suggests that interviews are a useful supplement to the high 84.4 percent allowance rate. This 13.3 percent lift can help push a case toward a final resolution more effectively.

The 736 resolved cases provide a strong statistical foundation for these metrics. Practitioners should note the 1047-day median when planning their prosecution strategy. The combination of an 84.4 percent allowance rate and a 13.3 percent interview lift suggests a collaborative and successful environment for applicants in Art Unit 3775.

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

Performance Statistics

84.4%
Allow Rate
+14.4% vs TC avg
762
Total Applications
+13.3%
Interview Lift
1047
Avg Prosecution Days
Based on 736 resolved cases, 2023–2026

Rejection Statute Breakdown

2.3%
§101 Eligibility
33.4%
§102 Novelty
36.0%
§103 Obviousness
27.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18069393 Surgical Navigation System And Method Non-Final OA Stryker European Operations Limited
19028764 ORTHOPEDIC SURGICAL METHOD AND STRUCTURE FOR SECURING A BONE SCREW TO A BONE Non-Final OA GLOBUS MEDICAL, INC.
18826898 METHOD AND IMPLANT DEVICE FOR GRAFTING ADJACENT VERTEBRAL BODIES Final Rejection GLOBUS MEDICAL, INC.
18734156 NAVIGATED DISCECTOMY AND TOOL DIFFERENTIATION Non-Final OA GLOBUS MEDICAL, INC.
18931254 SURGICAL IMPLANT BENDING SYSTEM AND METHOD Non-Final OA Warsaw Orthopedic, Inc.
18999417 EASY START CANNULATED BONE SCREW Non-Final OA Conmed Corporation
18554300 BODKIN STYLE BROACHING TIP FOR A SELF-PUNCHING BONE ANCHOR Final Rejection CONMED CORPORATION
18567708 RESORBABLE MATERIAL ACTIVATED MECHANISMS Final Rejection Brigham Young University

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