Prosecution Insights
Last updated: October 27, 2026

Katherine Menglin Shi, USPTO Patent Examiner

Listed by the USPTO as SHI, KATHERINE MENGLIN

Tech Center 3700 • Art Units: 3731 3771

This examiner grants 78% of resolved cases

Analysis

Katherine Menglin Shi is an examiner in Tech Center 3700 and Art Unit 3731, where she has overseen 895 resolved cases. The data indicates an allowance rate of 78.3% and a median days to allowance of 1115. These figures provide a benchmark for applicants navigating prosecution within this specific art unit. The 1115 days to allowance represents the duration for cases reaching a final disposition.

The profile highlights an interview lift of 21.8%, suggesting that oral communication is a factor in successful outcomes. This 21.8% increase in allowance probability following an interview indicates that practitioners should prioritize direct engagement. Major applicants such as Boston Scientific Corporation, Abbott Laboratories, and Edwards Lifesciences Corporation are listed among the top companies in her 895 resolved cases.

Firms including Inskeep Intellectual Property Group, Inc., SEAGER, TUFTE & WICKHEM, LLP, and Bond, Schoeneck & King, PLLC have represented clients before this examiner. The 78.3% allowance rate and the 21.8% interview lift are metrics for managing client expectations. For those seeking to understand the procedural landscape, the examiner's statistics offer a data point for strategic planning in Art Unit 3731.

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

Performance Statistics

78.3%
Allow Rate
+8.3% vs TC avg
929
Total Applications
+21.8%
Interview Lift
1115
Avg Prosecution Days
Based on 895 resolved cases, 2023–2026

Rejection Statute Breakdown

1.4%
§101 Eligibility
22.2%
§102 Novelty
40.2%
§103 Obviousness
25.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18595314 PUNCTURE DEVICE Non-Final OA FUJIFILM Corporation
18628663 SYSTEMS, METHODS, AND DEVICES FOR REPROCESSING HARMONIC TISSUE CUTTERS Final Rejection Stryker Corporation
19040623 DEVICES, SYSTEMS, AND METHODS FOR TREATMENT OF INTRACRANIAL ANEURYSMS Non-Final OA Covidien LP
18439047 MULTI-PART MEDICAL DEVICES WITH LOCKING MECHANISM Final Rejection Boston Scientific Medical Device Limited
19003511 KIDNEY STONE SUCTION DEVICE Non-Final OA Boston Scientific Scimed, Inc.
18987019 LEFT ATRIAL APPENDAGE CLOSURE DEVICE WITH ATRAUMATIC PECTINATE ANCHOR Non-Final OA Boston Scientific Scimed, Inc.
18790063 SYSTEMS, SUTURE DEVICES, AND METHODS FOR TISSUE CLOSURE Final Rejection Boston Scientific Scimed Inc.
19182718 Left Atrial Appendage Occluder Non-Final OA St. Jude Medical, Cardiology Division, Inc.
18956181 Valve Configurations To Optimize Hemodynamic Pressure Loss Non-Final OA St. Jude Medical, Cardiology Division, Inc.
18946056 Balloon Expandable Transcatheter Valve Delivery System Non-Final OA St. Jude Medical, Cardiology Division, Inc.
18681926 MYECTOMY DEVICES AND METHODS Final Rejection Mayo Foundation for Medical Education and Research
18062094 KNOTLESS INSTABILITY ANCHOR Non-Final OA Conmed Corporation
18948990 OUTER SKIRT FOR AN EXPANDABLE PROSTHETIC HEART VALVE Non-Final OA EDWARDS LIFESCIENCES CORPORATION
18798230 GUIDE CATHETER FOR AN IMPLANT DELIVERY APPARATUS Non-Final OA EDWARDS LIFESCIENCES CORPORATION
18862999 PROSTHETIC HEART VALVE DEVICES Non-Final OA MEDTRONIC, INC.
18795018 Method And Apparatus For Stent Delivery Final Rejection MicroVention, Inc.
18988738 BIOSTIMULATOR HAVING COAXIAL FIXATION ELEMENTS Non-Final OA Pacesetter, Inc.
19171056 Occlusion Systems Non-Final OA Terumo Corporation

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Frequently Asked Questions

What is examiner Katherine Menglin Shi's allowance rate?

78.3% of resolved applications examined by Katherine Menglin Shi were allowed (895 resolved cases), compared with 63.1% across Art Unit 3731 over the last five years.

Does an interview help with examiner Katherine Menglin Shi?

This examiner's interview lift is +21.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Katherine Menglin Shi take to allow a patent?

Applications allowed by Katherine Menglin Shi took 1,115 days on average from filing to allowance.

Which art unit does examiner Katherine Menglin Shi work in?

Katherine Menglin Shi examines applications in Art Unit 3731 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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