Prosecution Insights
Last updated: October 02, 2026

Examiner: HOAG, MITCHELL BRAIN

Tech Center 3700 • Art Units: 3771 3774 3792

This examiner grants 70% of resolved cases

Analysis

Mitchell Brain Hoag serves in Tech Center 3700 and Art Unit 3771, where he has overseen 135 resolved cases. His allowance rate is 70.4%, providing a positive outlook for applicants. The median days to allowance is 1115, which establishes a clear expectation for the length of the prosecution process. These metrics, based on 135 resolved cases, offer a reliable baseline for understanding his approach to patent examination.

The interview lift pct of 18.8% shows that interviews are a useful tool for increasing the 70.4% allowance rate. This lift suggests that direct communication can be a meaningful factor in overcoming rejections. Given the 1115 median days to allowance, practitioners should consider an interview to clarify the examiner's position and potentially find a path to grant more efficiently. The 135 resolved cases provide a solid statistical foundation for these conclusions in Tech Center 3700.

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

Performance Statistics

70.4%
Allow Rate
At TC average
185
Total Applications
+18.8%
Interview Lift
1115
Avg Prosecution Days
Based on 135 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
23.0%
§102 Novelty
58.2%
§103 Obviousness
15.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18769873 VESSEL SCORING DEVICE Final Rejection Boston Scientific Scimed, Inc.
18651971 DISTAL NODE GROUNDING FEATURES FOR ACOUSTIC WAVEGUIDE Non-Final OA Cilag GmbH International
19184144 CANNULA CLEARANCE Final Rejection Alcon Inc.
18414781 TISSUE REPAIR CONSTRUCTS AND METHODS OF USE Final Rejection Smith & Nephew Asia Pacific Pte. Limited
17670734 TIP UNCLOGGING USING CONTROLLED ASPIRATION REFLUX Non-Final OA JOHNSON & JOHNSON SURGICAL VISION, INC.
19069448 MEDICAL SYSTEM AND SUTURE DEVICE Non-Final OA OLYMPUS CORPORATION
17684225 DETECTION OF A COMPLETE INCISION BY AN ULTRASONIC TREATMENT DEVICE Non-Final OA OLYMPUS MEDICAL SYSTEMS CORP.
17142712 SURGICAL SYSTEM AND METHODS OF USE Non-Final OA MEDTRONIC INC.
19127809 SYSTEMS AND METHODS FOR LONG HAIR TRANSPLANTATION Non-Final OA The General Hospital Corporation
18121254 VITREOUS SAMPLING DEVICE HAVING VIBRATION-DRIVEN FLUID PRESSURE Non-Final OA Verily Life Sciences LLC
19139697 DEVICES AND SYSTEMS FOR THROMBUS TREATMENT FIELD Non-Final OA W. L. Gore & Associates, Inc.
18643374 INTRODUCER SHEATH ASSEMBLIES AND RELATED SYSTEMS AND METHODS Non-Final OA Merit Medical Systems, Inc.
18997510 ENDOVASCULAR APPARATUS FOR TREATING VESSEL INTIMA AND RELATED METHODS Non-Final OA BARD PERIPHERAL VASCULAR, INC.
18867385 ATHERECTOMY DEVICES, SYSTEMS, AND METHODS Non-Final OA BARD PERIPHERAL VASCULAR, INC.
17425712 EVERSION TOOL AND SIZE GUIDE FOR PERFORMING ARTERIAL MICROVASCULAR ANASTOMOSIS Non-Final OA BAXTER HEALTHCARE SA

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