Prosecution Insights
Last updated: October 02, 2026

Examiner: KOO, LAMONT B

Tech Center 2800 • Art Units: 1774 2812 2813 2823 2824 2893 2899

This examiner grants 81% of resolved cases

Analysis

Lamont B. Koo is an examiner in Tech Center 2800 and Art Unit 1774. He has a history of 556 resolved cases, which provides a basis for analysis. His allowance rate is 80.6 percent, indicating a favorable path to grant for most applicants.

The interview lift for this examiner is 5.2 percent. This positive lift suggests that an interview is a tool for resolving issues and moving an application toward allowance. In the context of the 80.6 percent base allowance rate, the 5.2 percent lift offers a small benefit for practitioners working in Art Unit 1774.

The median days to allowance is 919, which is the typical time required to secure a patent under his review. This 919-day median is a benchmark for managing client expectations regarding pendency. The combination of 556 resolved cases and an 80.6 percent allowance rate makes Lamont B. Koo a documented figure in Tech Center 2800.

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

Performance Statistics

80.6%
Allow Rate
+12.6% vs TC avg
611
Total Applications
+5.2%
Interview Lift
919
Avg Prosecution Days
Based on 556 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
27.5%
§102 Novelty
65.9%
§103 Obviousness
6.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18387729 DEVICE INCLUDING OVERLAY TARGET STRUCTURE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18497363 SEMICONDUCTOR DEVICE INCLUDING ESD DIODE AND METHOD FOR MANUFACTURING THE SAME Final Rejection Samsung Electronics Co., Ltd.
17961172 SEMICONDUCTOR DEVICE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
19455832 System and Method for an Active Nanoscale Energy-Exchange Device Non-Final OA AtomBeam Technologies Inc.
18482444 Light Emitting Diode Package and Manufacturing Method of The Same, and Light Emitting Device Final Rejection LG Display Co., Ltd.
18656819 ELECTRONIC DEVICE Non-Final OA InnoLux Corporation
18486878 LIGHT-EMITTING APPARATUS, DISPLAY APPARATUS, IMAGE PICKUP APPARATUS, AND ELECTRONIC APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
18390952 GATE-ALL-AROUND INTEGRATED CIRCUIT STRUCTURES FABRICATED USING ALTERNATE ETCH SELECTIVE MATERIAL Final Rejection Intel Corporation
18333758 INTEGRATED CIRCUIT DEVICE WITH MULTI-LENGTH GATE ELECTRODE Final Rejection Intel Corporation
18070361 Circuit Systems And Methods Using Spacer Dies Non-Final OA Intel Corporation
18506245 SEMICONDUCTOR DEVICE Final Rejection Murata Manufacturing Co., Ltd.
18494611 COMPOUND COMPONENT DEVICE AND METHOD OF MANUFACTURING THE SAME Final Rejection Murata Manufacturing Co., Ltd.
18560149 CIRCUITRY PACKAGE FOR POWER APPLICATIONS Final Rejection Telefonaktiebolaget LM Ericsson (publ)
18388074 MODULE-LESS NANOSHEET FETS WITH DIRECT BACKSIDE CONTACT Final Rejection International Business Machines Corporation
18356291 EXTENDED BACKSIDE CONTACT IN STACK NANOSHEET Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
18188496 CONTACT CUT AND WRAP AROUND CONTACT Final Rejection INTERNATIONAL BUSINESS MACHINES CORPORATION
18054133 BACKSIDE CONTACT METAL FILL Final Rejection INTERNATIONAL BUSINESS MACHINES CORPORATION
18749029 SEMICONDUCTOR DEVICE HAVING CUT METAL GATE Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18650905 Gate Structures For Semiconductor Devices Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18639739 GATE SPACERS AND METHODS OF FORMING THE SAME IN SEMICONDUCTOR DEVICES Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18630021 SEMICONDUCTOR DEVICE WITH IMPROVED DEVICE PERFORMANCE Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18415330 SOURCE/DRAIN STRUCTURE FOR SEMICONDUCTOR DEVICE Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18505632 GATE ISOLATION FEATURES Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18502297 SEMICONDUCTOR DEVICE STRUCTURE WITH CONDUCTIVE VIA STRUCTURE Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18228250 SEMICONDUCTOR DEVICE STRUCTURE AND METHODS OF FORMING THE SAME Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18352071 GATE HARD MASK DESIGN FOR IMPROVED SOURCE/DRAIN FORMATION Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18298277 Isolation Structures in Semiconductor Devices Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18770052 NMOS and PMOS Transistor Gates with Hafnium Oxide Layers and Lanthanum Oxide Layers Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18766402 MINIMIZATION OF SILICON GERMANIUM FACETS IN PLANAR METAL OXIDE SEMICONDUCTOR STRUCTURES Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
18761653 SHALLOW TRENCH ISOLATION (STI) CONTACT STRUCTURES AND METHODS OF FORMING SAME Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.

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