Prosecution Insights
Last updated: October 27, 2026

Emmanuel S Luk, USPTO Patent Examiner

Listed by the USPTO as LUK, EMMANUEL S

Tech Center 3700 • Art Units: 1741 1742 1744 1774 1789 1791 3664 3736

This examiner grants 72% of resolved cases

Analysis

LUK, EMMANUEL S is assigned to tech center 3700 and art unit 1741. The record includes 1052 resolved cases, a 71.5% allowance rate, and a 1032-day median time to allowance. Interviews correspond to a 26.3% lift in the allowance outcome.

The volume of resolved cases provides a substantial basis for evaluating the recorded prosecution pattern. The allowance rate indicates that allowance is common in this record, and the interview measure shows a meaningful association with improved outcomes. Counsel may therefore give interview preparation a defined place in response planning. The main companies are Samsung Electronics Co., Ltd., LG Energy Solution Ltd., and Krones AG.

The main firms are GREENBLUM & BERNSTEIN, P.L.C., POLSINELLI PC (Main Customer Number), and AMPACC Law Group, PLLC. Their presence identifies recurring representation in the available matters.

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

Performance Statistics

71.5%
Allow Rate
+1.5% vs TC avg
1,101
Total Applications
+26.3%
Interview Lift
1032
Avg Prosecution Days
Based on 1052 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
14.7%
§102 Novelty
57.8%
§103 Obviousness
16.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18420009 LINER STRUCTURE Final Rejection Samsung Electronics Co., Ltd.
19101646 Dry Electrode Manufacturing Apparatus Non-Final OA LG Energy Solution, Ltd.
18908921 METHOD OF TRANSFERRING AN OBJECT USING A STAMP WITH SHAPE MEMORY POLYMER NANOTIPS Non-Final OA POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
18910120 FOCUSED ROTARY JET SPINNING DEVICES AND METHODS OF USE THEREOF Final Rejection President and Fellows of Harvard College
18834035 VAPOR DEPOSITION MASK, FRAMED VAPOR DEPOSITION MASK, METHOD OF MANUFACTURING VAPOR DEPOSITION MASK, METHOD OF MANUFACTURING ORGANIC DEVICE, AND METHOD OF MANUFACTURING FRAMED VAPOR DEPOSITION MASK Non-Final OA DAI NIPPON PRINTING CO., LTD.
18890305 ULTRA-THIN LITHIUM FOIL MANUFACTURING APPARATUS USING MOLTEN METAL DROPLET SPRAYING Non-Final OA SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
19204174 APPARATUS AND METHOD FOR THREE-DIMENSIONAL PRINTING Non-Final OA SprintRay Inc.
18922911 RESIN FILM MANUFACTURING APPARATUS AND ITS CONTROL METHOD Non-Final OA THE JAPAN STEEL WORKS, LTD.
18716091 METHOD FOR ENCAPSULATING A MICROSTRUCTURED LENS BY COATING TRANSFER Final Rejection ESSILOR INTERNATIONAL
18934364 PROTECTIVE MEMBER FORMING APPARATUS Non-Final OA DISCO CORPORATION
19115105 METHOD FOR THE VOLUMETRIC PRINTING THROUGH HOLOGRAMS USING HIGH WAVELENGTH RADIATION Non-Final OA INNOMAQ 21,S.L.
18727666 EXPOSURE STRATEGY AT SCAN FIELD BOUNDARIES Final Rejection EOS GMBH ELECTRO OPTICAL SYSTEMS
13374441 System and method for creating a venturi effect within an orifice Non-Final OA SPHERICAL IP, LLC.

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Frequently Asked Questions

What is examiner Emmanuel S Luk's allowance rate?

71.5% of resolved applications examined by Emmanuel S Luk were allowed (1,052 resolved cases), compared with 52.1% across Art Unit 1741 over the last five years.

Does an interview help with examiner Emmanuel S Luk?

This examiner's interview lift is +26.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Emmanuel S Luk take to allow a patent?

Applications allowed by Emmanuel S Luk took 1,032 days on average from filing to allowance.

Which art unit does examiner Emmanuel S Luk work in?

Emmanuel S Luk examines applications in Art Unit 1741 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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