Prosecution Insights
Last updated: October 02, 2026

Examiner: SHI, KATHERINE MENGLIN

Tech Center 3700 • Art Units: 3731 3771

This examiner grants 78% of resolved cases

Analysis

Katherine Menglin Shi works in Tech Center 3700 and Art Unit 3731, with 894 resolved cases. The allowance rate pct is 78.4, and the median days to allowance is 1115. These metrics provide a clear view of the examiner's typical outcomes and timing. The 894 resolved cases form a robust data set that practitioners can use to inform their strategies.

The interview lift pct is 21.7, suggesting that interviews are a highly effective way to improve the 78.4 allowance rate pct. With 894 resolved cases, this data is robust and indicates that direct engagement is a valuable strategy for applicants. The 1115 median days to allowance is a key statistic for managing client expectations regarding the length of the prosecution cycle. By leveraging the 21.7 interview lift pct, practitioners can significantly enhance their probability of success. The 78.4 allowance rate pct establishes a favorable baseline for applications in Art Unit 3731. Overall, these metrics suggest that active communication is a productive approach with this examiner.

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

Performance Statistics

78.4%
Allow Rate
+8.4% vs TC avg
906
Total Applications
+21.7%
Interview Lift
1115
Avg Prosecution Days
Based on 894 resolved cases, 2023–2026

Rejection Statute Breakdown

1.4%
§101 Eligibility
22.1%
§102 Novelty
40.2%
§103 Obviousness
25.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19040623 DEVICES, SYSTEMS, AND METHODS FOR TREATMENT OF INTRACRANIAL ANEURYSMS Non-Final OA Covidien LP
19003511 KIDNEY STONE SUCTION DEVICE Non-Final OA Boston Scientific Scimed, Inc.
18790063 SYSTEMS, SUTURE DEVICES, AND METHODS FOR TISSUE CLOSURE Final Rejection Boston Scientific Scimed Inc.
18439047 MULTI-PART MEDICAL DEVICES WITH LOCKING MECHANISM Final Rejection Boston Scientific Medical Device Limited
18595314 PUNCTURE DEVICE Non-Final OA FUJIFILM Corporation
18628663 SYSTEMS, METHODS, AND DEVICES FOR REPROCESSING HARMONIC TISSUE CUTTERS Final Rejection Stryker Corporation
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
18948990 OUTER SKIRT FOR AN EXPANDABLE PROSTHETIC HEART VALVE Non-Final OA EDWARDS LIFESCIENCES CORPORATION
18637796 METHOD OF GRAFT PREPARATION Final Rejection Smith & Nephew Asia Pacific Pte. Limited
18062094 KNOTLESS INSTABILITY ANCHOR Non-Final OA Conmed Corporation
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
19070050 HEART VALVE REPAIR USING SUTURE KNOTS Non-Final OA University of Maryland, Baltimore

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