Prosecution Insights
Last updated: October 04, 2026

Examiner: AKANBI, ISIAKA O

Tech Center 2800 • Art Units: 2877 2878 2882 2884 2886

This examiner grants 77% of resolved cases

Analysis

Isiaka O Akanbi is an examiner in Tech Center 2800, specifically in Art Unit 2877. The examiner has a volume of 1100 resolved cases. The allowance rate for these cases is 76.6 percent. This rate indicates a positive outcome for a majority of the applications reviewed by this examiner.

The interview lift is 22.8 percent. This is an increase, suggesting that direct communication with the examiner is an effective strategy. Practitioners should prioritize interviews, as the 22.8 percent lift indicates a positive impact on the chances of allowance in Art Unit 2877.

The median days to allowance is 909. This duration provides a baseline for the expected length of the prosecution process. With 1100 resolved cases, the examiner has an extensive history in Tech Center 2800. The 76.6 percent allowance rate and 909 day median are key metrics for practitioners to use when planning their approach.

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

Performance Statistics

76.6%
Allow Rate
+8.6% vs TC avg
1,123
Total Applications
+22.8%
Interview Lift
909
Avg Prosecution Days
Based on 1100 resolved cases, 2023–2026

Rejection Statute Breakdown

2.7%
§101 Eligibility
44.5%
§102 Novelty
40.6%
§103 Obviousness
5.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18924455 DEFECT INSPECTION SYSTEM AND DEFECT INSPECTION METHOD Final Rejection Samsung Electronics Co., Ltd.
18976737 OPTICAL FIBER MONITORING SYSTEM, REMOTE MONITORING DEVICE, AND OPTICAL FIBER MONITORING METHOD Final Rejection NEC Corporation
18934246 DISPLAY DEVICE Final Rejection Samsung Display Co., Ltd.
19457731 INFRARED ABSORBANCE-MODULATED EVANESCENT SCATTERING MICROSCOPY Non-Final OA Trustees of Boston University
18755217 REPAIR DIAGRAM GENERATION DEVICE, REPAIR DIAGRAM GENERATION METHOD, AND PROGRAM Non-Final OA FUJIFILM Corporation
18839307 FLUID ANALYSIS SYSTEM AND METHODS Final Rejection The Johns Hopkins University
18578067 OBJECTIVE LENS AND SAMPLE ANALYZER Non-Final OA Sony Group Corporation
18873008 COMPARATOR, LIGHT DETECTION ELEMENT, AND ELECTRONIC DEVICE Final Rejection Sony Semiconductor Solutions Corporation
18711236 DEPTH SENSOR DEVICE AND METHOD FOR OPERATING A DEPTH SENSOR DEVICE Non-Final OA Sony Semiconductor Solutions Corporation
19190996 INSPECTION DEVICES AND INSPECTION METHODS Non-Final OA TOPPAN HOLDINGS INC.
18939263 FLOW CYTOMETER Final Rejection Beckman Coulter, Inc.
18414622 APPARATUSES AND METHODS FOR ASSESSING DEEP ULTRAVIOLET REFLECTIVITY OF A PELLICLE FOR AN EXTREME ULTRAVIOLET PHOTOLITHOGRAPHY MASK Non-Final OA Taiwan Semiconductor Manufacturing Company, LTD.
19090475 SUBSTRATE EVALUATION METHOD AND SUBSTRATE PROCESSING APPARATUS Non-Final OA Tokyo Electron Limited
19195680 Surface Plasmon Resonance Signal Amplification Non-Final OA Nicoya Lifesciences Inc.
19186153 METHOD OF PRODUCING REFERENCE-SPECTRUM LIBRARY FOR USE IN ESTIMATION OF FILM THICKNESS OF WORKPIECE Non-Final OA EBARA CORPORATION
18856459 A LITHOGRAPHIC APPARATUS, AN INSPECTION SYSTEM, AND A DETECTOR HAVING A SQUARE-CORE FIBER Final Rejection ASML Netherlands B.V.
19107911 INSPECTION SYSTEM AND METHOD FOR A CLOSED MEDICAL CONTAINER Non-Final OA HOFFMANN-LA ROCHE INC.
18282759 CHROMATIC CONFOCAL MEASURING SYSTEM FOR HIGH-SPEED DISTANCE MEASUREMENT Final Rejection PRECITEC OPTRONIK GMBH
18414488 TEST METHOD FOR A WAFER AND WAFER Final Rejection United Microelectronics Corp.
18851112 MONITORING SYSTEM BASED ON MULTIPLEXED MULTIMODE INTERFEROMETRIC SENSORS Non-Final OA UNIVERSITY OF PITTSBURGH-OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION
18996477 IMAGING ELLIPSOMETER FOR AREAL LAYER THICKNESS MEASUREMENT OF A SAMPLE AND METHOD USING AN IMAGING ELLIPSOMETER Non-Final OA TECHNISCHE UNIVERSITAET WIEN
18993368 DEVICE, APPARATUS, AND METHOD FOR CONFOCAL-CHROMATIC DISTANCE AND/OR THICKNESS MEASUREMENT Final Rejection MICRO-EPSILON Optronic GmbH
18622193 Multi-Modal Wide-Angle Illumination Employing a Compound Beam Combiner Non-Final OA Orbotech Ltd.
18862592 MINIATURIZED INTERFEROMETRIC INTEGRATED PHOTONIC GYROSCOPE Non-Final OA OSCPS MOTION SENSING INC.
18117722 APPARATUS FOR CHARACTERIZATION OF GRAPHENE OXIDE COATINGS Final Rejection Via Separations, Inc.
18715720 DEFLECTOMETRY MEASUREMENT METHOD Non-Final OA WYSE LIGHT
18690967 METHOD AND APPARATUS FOR QUALITY CONTROL OF OPHTHALMIC LENSES Non-Final OA Schneider GmbH & Co. KG

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