Prosecution Insights
Last updated: October 27, 2026

Berhanu Mitiku, USPTO Patent Examiner

Listed by the USPTO as MITIKU, BERHANU

Tech Center 2100 • Art Units: 2156 2169

This examiner grants 55% of resolved cases

Analysis

MITIKU, BERHANU handles cases in tech center 2100 and art unit 2156. The record reports 398 resolved cases and an allowance rate of 55.3%. Median time to allowance is 1720 days. Interview lift is 28.7%, associating interviews with improved allowance outcomes in the profile.

The principal companies are American Express Travel Related Services Company, Inc., ORACLE INTERNATIONAL Corporation, and Microsoft Technology Licensing, LLC. The principal firms are Astute IP Law Group, Holzer Patel Drennan, and Kutak Rock LLP. The longest median duration in this profile makes early docket planning important, while the interview figure supports considering interviews during claim negotiations.

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

Performance Statistics

55.3%
Allow Rate
At TC average
426
Total Applications
+28.7%
Interview Lift
1720
Avg Prosecution Days
Based on 398 resolved cases, 2023–2026

Rejection Statute Breakdown

14.8%
§101 Eligibility
7.3%
§102 Novelty
64.0%
§103 Obviousness
8.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19237718 TECHNIQUES FOR EFFICIENT REPLICATION AND RECOVERY Non-Final OA Oracle International Corporation
19063012 PERSISTING AND RESTORING IN-MEMORY NEIGHBOR GRAPH VECTOR INDEXES Non-Final OA Oracle International Corporation
17464534 GENERATING SIMILARITY SCORES BETWEEN DIFFERENT DOCUMENT SCHEMAS Final Rejection Oracle International Corporation
18600215 PERSONALIZATION USING CLICKSTREAM DATA Non-Final OA American Express Travel Related Services Company, Inc.
18339937 CONVERTING A LANGUAGE TYPE OF A QUERY Non-Final OA American Express Travel Related Services Company, Inc.
18621728 CHUNK SYNTHESIS FOR RETRIEVAL AUGMENTED GENERATION ASSISTANTS Non-Final OA Microsoft Technology Licensing, LLC
18500887 INFORMATION SEARCH METHOD AND APPARATUS, COMPUTER DEVICE AND STORAGE MEDIUM Final Rejection Beijing Bytedance Network Technology Co., Ltd.

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Frequently Asked Questions

What is examiner Berhanu Mitiku's allowance rate?

55.3% of resolved applications examined by Berhanu Mitiku were allowed (398 resolved cases), compared with 57.7% across Art Unit 2156 over the last five years.

Does an interview help with examiner Berhanu Mitiku?

This examiner's interview lift is +28.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Berhanu Mitiku take to allow a patent?

Applications allowed by Berhanu Mitiku took 1,720 days on average from filing to allowance.

Which art unit does examiner Berhanu Mitiku work in?

Berhanu Mitiku examines applications in Art Unit 2156 in Tech Center 2100 (Computing & Software).

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