Prosecution Insights
Last updated: October 26, 2026

Yemane Mesfin, USPTO Patent Examiner

Listed by the USPTO as MESFIN, YEMANE

Tech Center 2400 • Art Units: 2144 2415 2444 2462 2465 2472

This examiner grants 66% of resolved cases

Analysis

MESFIN, YEMANE is assigned to tech center 2400 and art unit 2144. The record includes 177 resolved cases and a 65.5% allowance rate. The interview lift is 35.9%, showing a meaningful positive association between interviews and allowance outcomes. The median time to allowance is 1282 days, so prosecution can require careful long-range management.

The listed companies are Qualcomm Incorporated, Vivo Mobile Communication Co., Ltd., and Texas Instruments Incorporated. The listed firms are Harrity & Harrity, LLP \ Qualcomm and IPX PLLC. The allowance result provides a favorable central outcome signal, while the interview measure supports purposeful examiner discussions. Applicants should combine that engagement with disciplined amendment strategy because the median timing indicates that progress to allowance may not be quick.

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

Performance Statistics

65.5%
Allow Rate
+7.5% vs TC avg
190
Total Applications
+35.9%
Interview Lift
1282
Avg Prosecution Days
Based on 177 resolved cases, 2023–2026

Rejection Statute Breakdown

14.3%
§101 Eligibility
23.7%
§102 Novelty
45.2%
§103 Obviousness
7.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17647258 BEAM INDICATIONS OF VARIOUS BEAM INDICATION TYPES Non-Final OA QUALCOMM Incorporated
17915135 TERMINAL APPARATUS AND COMMUNICATION METHOD Non-Final OA Sharp Kabushiki Kaisha
17504300 ADDRESSING FOR SATELLITE DEVICES USING WIRELESS LOCALIZATION Non-Final OA TEXAS INSTRUMENTS INCORPORATED
17749123 CELL CONGESTION PROCESSING METHOD, TERMINAL, AND NETWORK SIDE DEVICE Final Rejection VIVO MOBILE COMMUNICATION CO., LTD.

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Frequently Asked Questions

What is examiner Yemane Mesfin's allowance rate?

65.5% of resolved applications examined by Yemane Mesfin were allowed (177 resolved cases), compared with 60.2% across Art Unit 2144 over the last five years.

Does an interview help with examiner Yemane Mesfin?

This examiner's interview lift is +35.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Yemane Mesfin take to allow a patent?

Applications allowed by Yemane Mesfin took 1,282 days on average from filing to allowance.

Which art unit does examiner Yemane Mesfin work in?

Yemane Mesfin examines applications in Art Unit 2144 in Tech Center 2400 (Networking & Security).

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