Prosecution Insights
Last updated: October 01, 2026

Examiner: YANG, YI-SHAN

Tech Center 3700 • Art Units: 1616 3737 3768 3786 3792 3793 3798

This examiner grants 71% of resolved cases

Analysis

Yi-Shan Yang is an examiner in Tech Center 3700 and Art Unit 1616. The profile includes 415 resolved cases. The allowance rate is 70.6 percent, and the median days to allowance is 1204. These figures suggest the typical success rate and timeline for applications assigned to this examiner. The 1204 day median provides a benchmark for the duration of the prosecution process from filing to grant.

The interview lift for this examiner is 53.3 percent. This is a very high figure, indicating that interviews are associated with a much higher probability of allowance. With 415 resolved cases, the 53.3 percent lift is a critical strategic factor for practitioners to consider. Engaging in an interview may be an extremely effective way to improve the 70.6 percent allowance rate while navigating the 1204 day median prosecution timeline in Art Unit 1616.

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

Performance Statistics

70.6%
Allow Rate
+0.6% vs TC avg
441
Total Applications
+53.3%
Interview Lift
1204
Avg Prosecution Days
Based on 415 resolved cases, 2023–2026

Rejection Statute Breakdown

11.2%
§101 Eligibility
12.3%
§102 Novelty
38.3%
§103 Obviousness
34.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19219543 CONCENTRIC ARCHITECTURE FOR OPTICAL SENSING Non-Final OA Apple Inc.
18962485 STROKE DETECTION Non-Final OA Covidien LP
19191105 SYSTEM AND METHOD RELATED TO REGISTRATION FOR A MEDICAL PROCEDURE Final Rejection INTUITIVE SURGICAL OPERATIONS, INC.
18789564 System and Method for Imaging Implanted Medical Devices Non-Final OA Bard Access Systems, Inc.
19302255 Navigation System For And Method Of Tracking The Position Of A Work Target Non-Final OA Stryker European Operations Holdings LLC
18718075 SIMULTANEOUS MEASUREMENT OF TISSUE PERFUSION AND TISSUE OXYGENATION Final Rejection KONINKLIJKE PHILIPS N.V.
18647403 PROVIDING BREATHING GUIDANCE TO AN INDIVIDUAL Non-Final OA KONINKLIJKE PHILIPS N.V.
18520686 RADIATION TREATMENT PLAN OPTIMIZATION Final Rejection Siemens Healthineers International AG
19153797 MULTIMODAL ULTRASOUND AND ACOUSTIC SYSTEM AND METHOD FOR NOVEL NON-INVASIVE HEARING ASSESSMENT AND INTRACRANIAL PRESSURE MONITORING Non-Final OA Regents of the University of Minnesota
19314688 TARGETING DIFFERING FAT LAYERS WITH DIFFERING TRANSDUCERS Final Rejection Sofwave Medical Ltd.
18828486 ENDOSCOPE INSERTION ASSISTING SYSTEM, ENDOSCOPE INSERTION ASSISTING METHOD, AND STORAGE MEDIUM Final Rejection OLYMPUS MEDICAL SYSTEMS CORP.
18715351 DEVICE FOR LOADING AND PUSHING RADIOACTIVE SEEDS Non-Final OA CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
18668785 ROBOTIC MICROCAPSULE ASSEMBLIES WITH EMERGENT MOBILITY FOR TARGETED TREATMENT AND DRUG DELIVERY Non-Final OA THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA

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