Prosecution Insights
Last updated: October 02, 2026

Examiner: EDENFIELD, KUEI-JEN L

Tech Center 2800 • Art Units: 2872

This examiner grants 78% of resolved cases

Analysis

Kuei-Jen L. Edenfield is an examiner in Tech Center 2800 and Art Unit 2872. He has overseen 162 resolved cases, maintaining an allowance rate of 77.8 percent. The median days to allowance for these cases is 1167. This 1167-day metric provides a reliable expectation for the duration of successful prosecution for the 162 resolved cases in this unit.

The interview lift for this examiner is 15.1 percent. This 15.1 percent lift is a solid increase over the 77.8 percent base allowance rate, suggesting that interviews are a productive way to resolve issues. Practitioners should consider the 1167 median days to allowance when planning their strategy in Art Unit 2872. The 162 resolved cases in Tech Center 2800 demonstrate that while the baseline is 77.8 percent, the 15.1 percent lift still provides an advantage.

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

Performance Statistics

78.2%
Allow Rate
+10.2% vs TC avg
210
Total Applications
+14.3%
Interview Lift
1163
Avg Prosecution Days
Based on 165 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
18.2%
§102 Novelty
58.9%
§103 Obviousness
20.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18744616 METHOD FOR PRODUCING A HOLOGRAM FOR A RETROREFLECTOR AND METHOD FOR PRODUCING A RETROREFLECTOR FOR A VEHICLE Final Rejection Hella GmbH & Co. KGaA
18891294 LENS DRIVING APPARATUS AND CAMERA MODULE Non-Final OA ALPS ALPINE CO., LTD.
18694920 DEVICE, METHOD AND COMPUTER-READABLE STORAGE DEVICE FOR CONTROLLING ACTIVE OCCLUSION SUBSYSTEM Non-Final OA LUMUS LTD.
18553540 Control Method for Wearable Device, and Electronic Device Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18455765 METHOD FOR OPERATING A PAIR OF SMART GLASSES AND SMART GLASSES Final Rejection Robert Bosch GmbH
18260867 AUGMENTED REALITY SMARTGLASSES DISPLAY CALIBRATION IN THE PRESENCE OF PRESCRIPTION LENSES Non-Final OA GOOGLE LLC
18978869 OPTICAL SYSTEM, IMAGE PICKUP APPARATUS, AND LENS APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
18544530 ZOOM LENS, IMAGE PICKUP APPARATUS, AND IMAGE PICKUP SYSTEM WITH THE SAME Final Rejection CANON KABUSHIKI KAISHA
18329794 OPTICAL SYSTEM, AND IMAGE PICKUP APPARATUS HAVING THE SAME Final Rejection CANON KABUSHIKI KAISHA
18316266 OBSERVATION APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
17889479 OPTICAL DEVICE AND DISPLAY DEVICE Non-Final OA CANON KABUSHIKI KAISHA
18922633 OPTICAL ELEMENT DRIVING MECHANISM Non-Final OA Actutek Corporation
18673926 OPTICAL ELEMENT DRIVING MECHANISM Final Rejection Actutek Corporation
18867715 OPTICAL SYSTEM AND DISPLAY DEVICE Non-Final OA Beijing Zitiao Network Technology Co., Ltd.
18256974 OPTICAL SYSTEM AND CAMERA MODULE INCLUDING SAME Final Rejection LG INNOTEK CO., LTD.
18633987 IDENTIFICATION OF VISION DEGRADING SYMPTOMATIC FLOATERS Non-Final OA Alcon Inc.
18369430 OPTICAL SYSTEM AND WEARABLE AUGMENTED REALITY DISPLAY DEVICE Non-Final OA GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
17995134 OPTICAL SYSTEM, ASSEMBLING METHOD AND VIRTUAL REALITY DEVICE Non-Final OA GOERTEK INC.
18483141 WAVELENGTH BAND SELECTIVE FILTERS FOR AR/VR SYSTEMS Final Rejection Meta Platforms Technologies, LLC
18359880 DISPLAY SYSTEM INCLUDING CURVED DIFFUSER Non-Final OA Meta Platforms Technologies, LLC
19029169 LENS ASSEMBLY Non-Final OA Samsung Electro-Mechanics Co., Ltd.
18199016 OPTICAL IMAGING SYSTEM Final Rejection SAMSUNG ELECTRO-MECHANICS CO., LTD.
18129994 OPTICALLY ATHERMAL INFRARED REIMAGING LENS ASSEMBLY Final Rejection RAYTHEON COMPANY
18667485 MIXED REALITY DISPLAY DEVICE Non-Final OA National Central University
17236657 Ophthalmic Lenses for Reducing, Minimizing, and/or Eliminating Interference on In-Focus Images by Out-of-Focus Light Final Rejection Brien Holden Vision Institute Limited

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