Prosecution Insights
Last updated: October 26, 2026

Edwin C Gunberg, USPTO Patent Examiner

Listed by the USPTO as GUNBERG, EDWIN C

Tech Center 2800 • Art Units: 2812 2884

This examiner grants 78% of resolved cases

Analysis

GUNBERG, EDWIN C is a USPTO patent examiner in tech center 2800 and art unit 2812. The profile contains 637 resolved cases, an allowance rate of 78.2%, and an interview lift of 6.9%. The median time to allowance is 889 days. The recorded allowance result reflects a substantial majority of cases reaching allowance, while the interview measure indicates a limited observed association with that outcome. The median timeline gives practitioners a useful basis for setting expectations about prosecution duration.

The leading companies are Canon Inc., Siemens Healthineers AG, and Shanghai United Imaging Healthcare Co., Ltd. The leading firms are HARNESS, DICKEY & PIERCE, P.L.C., Metis IP LLC, and WOLF GREENFIELD & SACKS, P.C. The company mix points to imaging and medical-device experience. Counsel may focus on clear technical explanations, precise claim boundaries, and efficient responses to prior-art issues. Interviews can remain available as a clarification tool, but the record does not indicate a large interview-related shift.

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

Performance Statistics

78.2%
Allow Rate
+10.2% vs TC avg
672
Total Applications
+6.9%
Interview Lift
889
Avg Prosecution Days
Based on 637 resolved cases, 2023–2026

Rejection Statute Breakdown

2.7%
§101 Eligibility
25.9%
§102 Novelty
54.1%
§103 Obviousness
14.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19093222 RADIOGRAPHY APPARATUS AND CONTROL METHOD OF RADIOGRAPHY APPARATUS Non-Final OA FUJIFILM Corporation
18783035 IMAGE CAPTURE APPARATUS, METHOD, AND STORAGE MEDIUM Final Rejection CANON KABUSHIKI KAISHA
18774354 RADIOGRAPHING SYSTEM, RADIOGRAPHING METHOD, AND STORAGE MEDIUM Final Rejection CANON KABUSHIKI KAISHA
18583977 CONSOLE DEVICE, X-RAY DIAGNOSTIC APPARATUS, AND METHOD OF OPERATING IRRADIATION FIELD Final Rejection Canon Kabushiki Kaisha
18550738 SOLID-STATE IMAGING DEVICE AND ELECTRONIC DEVICE Final Rejection SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18723996 METHOD AND APPARATUS FOR SAFETY MONITORING OF AN IMAGING SYSTEM Final Rejection KONINKLIJKE PHILIPS N.V.
19063638 X-RAY ROTATING ANODE WITH REDUCED EXTRAFOCAL X-RAY RADIATION Non-Final OA Siemens Healthineers AG
19063700 METHOD FOR TRANSMITTING DATA FROM A ROTATING PORTION OF A MEDICAL IMAGING DEVICE TO A STATIONARY PORTION OF THE MEDICAL IMAGING DEVICE AND MEDICAL IMAGING FACILITY Non-Final OA Siemens Healthineers AG
18630012 IMAGING SYSTEMS AND METHODS Non-Final OA SIEMENS HEALTHINEERS INTERNATIONAL AG
19128759 ALL-OPTICAL RF SIMULTANEOUS I/Q PHASE READOUT IN A QUANTUM ANTENNA Non-Final OA Government of the United States of America, as represented by the Secretary of Commerce

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Frequently Asked Questions

What is examiner Edwin C Gunberg's allowance rate?

78.2% of resolved applications examined by Edwin C Gunberg were allowed (637 resolved cases), compared with 82.1% across Art Unit 2812 over the last five years.

Does an interview help with examiner Edwin C Gunberg?

This examiner's interview lift is +6.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Edwin C Gunberg take to allow a patent?

Applications allowed by Edwin C Gunberg took 889 days on average from filing to allowance.

Which art unit does examiner Edwin C Gunberg work in?

Edwin C Gunberg examines applications in Art Unit 2812 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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