Prosecution Insights
Last updated: October 26, 2026

Jonathan Cwern, USPTO Patent Examiner

Listed by the USPTO as CWERN, JONATHAN

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

This examiner grants 51% of resolved cases

Analysis

CWERN, JONATHAN works in Tech Center 3700 and art unit 3737. His profile records 832 resolved cases, an allowance rate of 51.0%, and a median of 1451 days to allowance. The interview lift is 33.1%, making examiner interviews a notable strategic consideration even though the recorded allowance rate indicates that allowance may require sustained prosecution effort.

The listed companies are Fujifilm Corporation, Koninklijke Philips N.V., and Canon Inc. The listed firms are Studebaker Brackett PLLC, CHALKER FLORES, LLP, and DORITY & MANNING, P.A. Practitioners should plan for extended prosecution and consider pairing carefully targeted interviews with claim amendments and detailed responses.

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

Performance Statistics

51.0%
Allow Rate
-19.0% vs TC avg
871
Total Applications
+33.1%
Interview Lift
1451
Avg Prosecution Days
Based on 832 resolved cases, 2023–2026

Rejection Statute Breakdown

4.3%
§101 Eligibility
11.4%
§102 Novelty
50.1%
§103 Obviousness
27.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19319687 IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND IMAGE PROCESSING PROGRAM Final Rejection FUJIFILM Corporation
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
18471251 MEDICAL SYSTEM, METHOD FOR PROCESSING MEDICAL IMAGE, AND MEDICAL IMAGE PROCESSING APPARATUS Final Rejection TERUMO KABUSHIKI KAISHA
18833552 INTRAVASCULAR IMAGING DIAGNOSTICS Non-Final OA KONINKLIJKE PHILIPS N.V.
19061794 HISTOTRIPSY SYSTEMS AND METHODS Non-Final OA HistoSonics, Inc.
18703774 BIOMAGNETISM MEASUREMENT APPARATUS Final Rejection SHIMADZU CORPORATION

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Frequently Asked Questions

What is examiner Jonathan Cwern's allowance rate?

51.0% of resolved applications examined by Jonathan Cwern were allowed (832 resolved cases), compared with 0.0% across Art Unit 3737 over the last five years.

Does an interview help with examiner Jonathan Cwern?

This examiner's interview lift is +33.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Jonathan Cwern take to allow a patent?

Applications allowed by Jonathan Cwern took 1,451 days on average from filing to allowance.

Which art unit does examiner Jonathan Cwern work in?

Jonathan Cwern examines applications in Art Unit 3737 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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