Prosecution Insights
Last updated: October 02, 2026

Examiner: YILMAKASSAYE, SURAFEL

Tech Center 2800 • Art Units: 2639 2899

This examiner grants 57% of resolved cases

Analysis

Surafel Yilmakassaye works in Art Unit 2639 within Tech Center 2800. He has 47 resolved cases and an allowance rate of 57.4 percent. The median days to allowance is 944. The 57.4 percent allowance rate indicates a moderate level of difficulty for applicants in this art unit.

The interview lift is 37.1 percent. This high lift suggests that interviews are particularly effective for this examiner, potentially overcoming initial rejections. With a median pendency of 944 days, proactive engagement through interviews may be an efficient way to secure an allowance. The 37.1 percent lift is a strong signal that verbal negotiation is a key driver of success. Practitioners should consider the 47 resolved cases as an emerging pattern that favors direct communication. The 57.4 percent baseline can be significantly improved by utilizing the interview process. This approach may help navigate the prosecution cycle more effectively. The data highlights the value of interviews in achieving a grant with this examiner.

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

Performance Statistics

57.4%
Allow Rate
-10.6% vs TC avg
73
Total Applications
+37.1%
Interview Lift
944
Avg Prosecution Days
Based on 47 resolved cases, 2023–2026

Rejection Statute Breakdown

1.4%
§101 Eligibility
32.3%
§102 Novelty
61.9%
§103 Obviousness
4.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18925220 IMAGE SENSOR AND DRIVING METHOD THEREOF Final Rejection Samsung Electronics Co., Ltd.
18668720 Light Source Module with Adaptive Illumination Non-Final OA Apple Inc.
19054903 CONTROL DEVICE, IMAGING SYSTEM, CONTROL METHOD, AND CONTROL PROGRAM Non-Final OA FUJIFILM Corporation
18981942 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM Non-Final OA CANON KABUSHIKI KAISHA
18393276 COMMUNICATION CONTROL APPARATUS, COMMUNICATION APPARATUS, COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND STORAGE MEDIUM Final Rejection CANON KABUSHIKI KAISHA
18179625 IMAGE CAPTURING APPARATUS, METHOD OF CONTROLLING IMAGE CAPTURING APPARATUS, AND STORAGE MEDIUM Final Rejection CANON KABUSHIKI KAISHA
18172725 IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD Final Rejection CANON KABUSHIKI KAISHA
19053024 MULTI-RESOLUTION WARPING Non-Final OA QUALCOMM Incorporated
18563660 IMAGING ELEMENT AND IMAGING DEVICE Final Rejection NIKON CORPORATION
18998695 IMAGING DEVICE, IMAGING METHOD, PROGRAM, AND IMAGE PROCESSING METHOD AND PROGRAM Final Rejection Sony Group Corporation
18839683 IMAGING DEVICE, IMAGING CONTROL METHOD, AND PROGRAM Non-Final OA Sony Group Corporation
18842207 SOLID-STATE IMAGING ELEMENT, IMAGING DEVICE, AND METHOD FOR CONTROLLING SOLID-STATE IMAGING ELEMENT Final Rejection SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18251310 IMAGING DEVICE AND IMAGING METHOD Final Rejection SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18322264 AUTONOMOUS ROTATING SENSOR DEVICE AND CORRESPONDING DATA PROCESSING OPTIMIZATION METHOD Final Rejection LG INNOTEK CO., LTD.
18850604 SENSOR DEVICE AND METHOD FOR OPERATING A SENSOR DEVICE Final Rejection ETH Zürich (Eidgenössische Technische Hochschule Zürich)

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