Prosecution Insights
Last updated: October 01, 2026

Examiner: AYCHILLHUM, ANDARGIE M

Tech Center 2800 • Art Units: 2691 2800 2833 2835 2841 2847 2848

This examiner grants 84% of resolved cases

Analysis

Andargie M. Aychillhum is an examiner in Tech Center 2800 and Art Unit 2691. He has managed 1083 resolved cases with an allowance rate pct of 84.3%. This 84.3% rate indicates that a large majority of the applications in his portfolio result in a grant. The median days to allowance for these cases is 835, which establishes a timeline for practitioners to expect when prosecuting in this art unit. For the 1083 resolved cases, this 835-day period represents the median duration from filing to issuance for successful applications.

The data shows an interview lift pct of 14.7%. This 14.7% lift is an increase in the probability of allowance when an interview is conducted compared to the 84.3% baseline allowance rate. This suggests that direct communication with the examiner is a method for resolving outstanding rejections. Practitioners can use the 14.7% lift to evaluate the impact of an interview, as it correlates with a higher success rate than the baseline. The 835-day median suggests that the process in Art Unit 2691 is relatively efficient for the 1083 resolved cases.

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

Performance Statistics

84.3%
Allow Rate
+16.3% vs TC avg
1,091
Total Applications
+14.7%
Interview Lift
835
Avg Prosecution Days
Based on 1083 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
31.4%
§102 Novelty
57.4%
§103 Obviousness
3.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18901903 ELECTRONIC DEVICE INCLUDING FLEXIBLE DISPLAY Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18826856 ELECTRONIC DEVICE INCLUDING A PLURALITY OF FLEXIBLE PRINTED CIRCUIT BOARDS Non-Final OA Samsung Electronics Co., Ltd.
19016774 SYSTEMS AND METHODS FOR HIGH-STIFFNESS SUBSTRATE INTEGRATION IN SEMICONDUCTOR PACKAGES Non-Final OA Avago Technologies International Sales Pte. Limited
18155995 HIGH FREQUENCY MODULE AND COMMUNICATION APPARATUS Final Rejection Murata Manufacturing Co., Ltd.
18973212 Embeddable Electrically Insulating Thermal Connector and Circuit Board Including the Same Non-Final OA KYOCERA AVX Components Corporation
18983966 PRINTED CIRCUIT BOARD AND PACKAGE SUBSTRATE INCLUDING SAME Non-Final OA LG INNOTEK CO., LTD.
18865493 CIRCUIT BOARD AND SEMICONDUCTOR PACKAGE COMPRISING SAME Non-Final OA LG INNOTEK CO., LTD.
18956455 PRINTED CIRCUIT BOARD Non-Final OA SAMSUNG ELECTRO-MECHANICS CO., LTD.
18678325 PRINTED CIRCUIT BOARD AND MANUFACTURING METHOD THEREOF Final Rejection SAMSUNG ELECTRO-MECHANICS CO., LTD.
18585618 CIRCUIT BOARD AND METHOD OF FABRICATING CIRCUIT BOARD Final Rejection SAMSUNG ELECTRO-MECHANICS CO., LTD.
18562074 DEGRADABLE SUBSTRATE FOR ELECTRONIC DEVICE, DEGRADABLE SUBSTRATE ASSEMBLY FOR ELECTRONIC DEVICE, AND METHOD FOR MANUFACTURING DEGRADABLE SUBSTRATE FOR ELECTRONIC DEVICE Final Rejection KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
18692075 Manufacturing a Component Carrier by a Nano Imprint Lithography Process Final Rejection AT&S Austria Technologie & Systemtechnik AG

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