Prosecution Insights
Last updated: October 02, 2026

Examiner: CWERN, JONATHAN

Tech Center 3700 • Art Units: 3737 3771 3791 3793 3797

This examiner grants 51% of resolved cases

Analysis

Jonathan Cwern is an examiner in Tech Center 3700 and Art Unit 3737 with 827 resolved cases. His allowance rate is 50.9%, and the median days to allowance is 1455. The interview lift of 33.3% is high, suggesting that interviews are important for success in his docket. This 33.3% lift can improve the 50.9% baseline allowance rate, making it a tool for practitioners.

Applicants should be prepared for the 1455-day median timeline and use interviews to navigate the 827 resolved cases he has handled. The 33.3% lift is a significant data point, indicating responsiveness to direct communication. Given the 50.9% allowance rate and the 1455-day timeline, an interview strategy is recommended for applications in Tech Center 3700. These metrics provide a roadmap for managing prosecution in Art Unit 3737. The data highlights the impact of verbal advocacy under his review.

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

Performance Statistics

50.9%
Allow Rate
-19.1% vs TC avg
864
Total Applications
+33.3%
Interview Lift
1455
Avg Prosecution Days
Based on 827 resolved cases, 2023–2026

Rejection Statute Breakdown

4.3%
§101 Eligibility
11.4%
§102 Novelty
50.4%
§103 Obviousness
27.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19095578 ULTRASOUND PROBE Final Rejection FUJIFILM Corporation
18597849 BIOPSY SYSTEM, GUIDE DEVICE, AND BIOPSY METHOD Final Rejection FUJIFILM Corporation
18359326 ULTRASONIC DIAGNOSIS APPARATUS, MEDICAL IMAGE PROCESSING APPARATUS, AND NON-TRANSITORY COMPUTER READABLE MEDIUM Final Rejection CANON KABUSHIKI KAISHA
19340995 METHODS AND SYSTEMS FOR VASCULAR TRACKING Non-Final OA SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
18877803 PROCESSING A CONTRAST ENHANCED ULTRASOUND IMAGE OF A LESION Non-Final OA KONINKLIJKE PHILIPS N.V.
18833552 INTRAVASCULAR IMAGING DIAGNOSTICS Non-Final OA KONINKLIJKE PHILIPS N.V.
18953840 SYSTEMS AND METHODS FOR POINT AND TOOL ACTIVATION Non-Final OA Smith & Nephew Asia Pacific Pte. Limited
18703774 BIOMAGNETISM MEASUREMENT APPARATUS Final Rejection SHIMADZU CORPORATION
18719116 REVERSAL OF SENESCENCE BY ULTRASOUND IRRADIATION Final Rejection Board of Regents, The University of Texas System
19061794 HISTOTRIPSY SYSTEMS AND METHODS Non-Final OA HistoSonics, Inc.
18471251 MEDICAL SYSTEM, METHOD FOR PROCESSING MEDICAL IMAGE, AND MEDICAL IMAGE PROCESSING APPARATUS Final Rejection TERUMO KABUSHIKI KAISHA
18855880 DEVICE FOR MONITORING BLOOD BLOCKAGE RATE BY AORTIC BLOCKAGE BALLOON Final Rejection KEIO UNIVERSITY

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