Prosecution Insights
Last updated: October 02, 2026

Examiner: FANG, MICHAEL YIMING

Tech Center 3700 • Art Units: 3793 3796 3798

This examiner grants 62% of resolved cases

Analysis

Michael Yiming Fang is an examiner in Tech Center 3700 and Art Unit 3793. The examiner has 84 resolved cases, providing a data set for analysis. The allowance rate is 61.9 percent, which indicates the chance of success for applicants. This rate suggests that a majority of applications are granted, making it a balanced environment for patent prosecution in this technical area.

The median days to allowance is 1252, which is the timeline for this examiner. This duration is a factor for applicants to consider when planning their strategy. The interview lift of 39.6 percent indicates that interviews are a tool. In Art Unit 3793, an interview can boost the 61.9 percent allowance rate, helping to resolve outstanding issues and move the application toward a grant.

With 84 resolved cases in Tech Center 3700, the examiner 1252 days to allowance is a metric. The 39.6 percent interview lift provides a tactical advantage for practitioners. These figures suggest that while the process takes time, proactive engagement is a factor. Applicants should use these data points to optimize their approach and manage their expectations in Art Unit 3793.

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

Performance Statistics

61.9%
Allow Rate
-8.1% vs TC avg
122
Total Applications
+39.6%
Interview Lift
1252
Avg Prosecution Days
Based on 84 resolved cases, 2023–2026

Rejection Statute Breakdown

3.8%
§101 Eligibility
7.8%
§102 Novelty
59.2%
§103 Obviousness
27.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18819001 Intravascular Ultrasound Catheter Final Rejection Boston Scientific Scimed, Inc.
18373706 BEACON DEVICES, SYSTEMS, AND METHODS FOR MEDICAL PROCEDURES Final Rejection BOSTON SCIENTIFIC SCIMED, INC.
17813909 ULTRASONIC CATHETER Non-Final OA Boston Scientific Scimed, Inc.
19467629 SYSTEMS AND METHODS FOR ULTRASONIC GUIDED NEEDLE INSERTION Non-Final OA Kalysto Labs, LLC
19388383 SYSTEMS AND METHODS FOR ULTRASONIC GUIDED NEEDLE INSERTION Non-Final OA Kalysto Labs, LLC
18813808 ULTRASOUND PROBE Non-Final OA FUJIFILM Corporation
19085984 PHOTOBLEACHED IMAGING APPARATUS OR CATHETER, AND METHODS FOR USING SAME OR PERFORMING PHOTO-BLEACHING FOR SAME Final Rejection Canon U.S.A., Inc.
18872868 HYBRID INTRAVASCULAR ULTRASOUND AND INTRACARDIAC ECHOCARDIOGRAPHY TRANSDUCER AND ASSOCIATED DEVICES, SYSTEMS, AND METHODS Final Rejection KONINKLIJKE PHILIPS N.V.
18864016 SYSTEM AND METHOD FOR ASSISTANCE IN A SURGICAL PROCEDURE Non-Final OA KONINKLIJKE PHILIPS N.V.
18039586 INDUCTIVE SENSING SYSTEM FOR SENSING ELECTROMAGNETIC SIGNALS FROM A BODY Non-Final OA KONINKLIJKE PHILIPS N.V.
18105381 DETERMINING A LOCATION OF AN APPARATUS IN AN MRT SYSTEM Non-Final OA Siemens Healthcare GmbH
19061813 METHOD FOR QUANTIFYING BREAST DENSITY AND ULTRASONIC IMAGING SYSTEM Final Rejection GE Precision Healthcare LLC
18740940 DISTAL END COMPONENT PORTION, ENDOSCOPE INSERTION PORTION, ENDOSCOPE AND ULTRASOUND ENDOSCOPE Final Rejection OLYMPUS MEDICAL SYSTEMS CORP.
18768032 CATHETER Non-Final OA ASAHI INTECC CO., LTD.
19081366 REAL-TIME AI FOR PHYSICAL BIOPSY MARKER DETECTION Final Rejection Hologic, Inc.
18684813 SYSTEMS, METHODS, AND COMPUTER READABLE MEDIA FOR PARAMETRIC FDG PET QUANTIFICATION, SEGMENTATION AND CLASSIFICATION OF ABNORMALITIES Non-Final OA University of Virginia Patent Foundation
18945685 PRIORITIZATION OF MULTIPLE OBJECTS IN AN ASSISTANCE FUNCTIONALITY FOR A SURGICAL MICROSCOPY SYSTEM Non-Final OA CARL ZEISS MEDITEC AG
18685369 INTRALUMINAL ULTRASOUND IMAGING ASSEMBLY WITH ELECTRICAL CONNECTION FOR MULTI-ROW TRANSDUCER ARRAY Final Rejection PHILIPS IMAGE GUIDED THERAPY CORPORATION
18247313 MAGNETOENCEPHALOGRAPHY METHOD AND SYSTEM Final Rejection The University of Nottingham

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