Prosecution Insights
Last updated: October 26, 2026

Etsub D Berhanu, USPTO Patent Examiner

Listed by the USPTO as BERHANU, ETSUB D

Tech Center 3700 • Art Units: 3735 3768 3791

This examiner grants 65% of resolved cases

Analysis

Berhanu, Etsub D resolved 811 cases in Tech Center 3700 and Art Unit 3735. The allowance rate was 65.1%, and the median time to allowance was 1301 days. Interview lift was 24.7%, indicating a positive association between interviews and allowance outcomes.

The leading companies were Abbott Laboratories, Medtronic Inc., and Persyst Development Corporation. The principal firms were Clause Eight, STERNE, KESSLER, GOLDSTEIN & FOX P.L.L.C., and ARENTFOX SCHIFF LLP. The profile combines a moderate allowance rate with a long median timeline, making efficient issue identification important. The positive interview association supports preparing focused discussions that connect proposed amendments to specific examiner concerns.

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

Performance Statistics

65.1%
Allow Rate
-4.9% vs TC avg
863
Total Applications
+24.7%
Interview Lift
1301
Avg Prosecution Days
Based on 811 resolved cases, 2023–2026

Rejection Statute Breakdown

19.1%
§101 Eligibility
10.4%
§102 Novelty
31.2%
§103 Obviousness
32.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17877867 AUTONOMOUS SURGICAL SENSORS AND COMMUNICATION NETWORK Final Rejection Covidien LP
18182630 ATROPHY DETECTION FOR TISSUE OCCLUDED BY IMPLANTABLE INFLATION DEVICES Non-Final OA Boston Scientific Scimed, Inc.
18691486 DATA GENERATION DEVICE, LEARNING SYSTEM, ESTIMATION SYSTEM, DATA GENERATION METHOD, AND RECORDING MEDIUM Final Rejection NEC Corporation
18908057 SENSOR IMPLANT DEVICE WITH STABILIZING APPENDAGE Non-Final OA EDWARDS LIFESCIENCES CORPORATION
18615140 EXPANDABLE INTRODUCER Final Rejection Medtronic, Inc.
18496373 NOTIFICATION INDICATIVE OF A CHANGE IN EFFICACY OF THERAPY Final Rejection Medtronic, Inc.
18667395 ANORECTAL TONOMETER FOR NEUROLOGICAL TESTING Final Rejection ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIVERSITY OF ARIZONA

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Frequently Asked Questions

What is examiner Etsub D Berhanu's allowance rate?

65.1% of resolved applications examined by Etsub D Berhanu were allowed (811 resolved cases), compared with 38.6% across Art Unit 3735 over the last five years.

Does an interview help with examiner Etsub D Berhanu?

This examiner's interview lift is +24.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Etsub D Berhanu take to allow a patent?

Applications allowed by Etsub D Berhanu took 1,301 days on average from filing to allowance.

Which art unit does examiner Etsub D Berhanu work in?

Etsub D Berhanu examines applications in Art Unit 3735 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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