Prosecution Insights
Last updated: October 26, 2026

Carol M Koslow, USPTO Patent Examiner

Listed by the USPTO as KOSLOW, CAROL M

Tech Center 3900 • Art Units: 1734 1765 1782 1793 2884 3616 3992

This examiner grants 82% of resolved cases

Analysis

KOSLOW, CAROL M is an examiner in tech center 3900 and art unit 1734. The profile covers 2214 resolved cases, with an allowance rate of 81.6%, an interview lift of 12.3%, and a median of 952 days to allowance. The interview-associated cases show a higher allowance outcome than the overall rate in the record.

Fujifilm Corporation, Denka Company Limited, and Samsung Display Co., Ltd. are the leading companies listed. The principal firms are JCIPRNET, OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P., and Womble Bond Dickinson US LLP. The large resolved-case volume makes this profile useful for portfolio-level planning. Its allowance rate supports a constructive prosecution assessment, while the positive interview lift gives practitioners a reason to consider interviews when claim issues can be addressed efficiently through discussion. The median timing remains relevant for estimating when an application may reach allowance.

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

Performance Statistics

81.6%
Allow Rate
+21.6% vs TC avg
2,260
Total Applications
+12.3%
Interview Lift
952
Avg Prosecution Days
Based on 2214 resolved cases, 2023–2026

Rejection Statute Breakdown

2.7%
§101 Eligibility
15.6%
§102 Novelty
27.4%
§103 Obviousness
40.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18809267 SEMICONDUCTOR FILM, PHOTODETECTION ELEMENT, IMAGE SENSOR, DISPERSION LIQUID, AND MANUFACTURING METHOD FOR SEMICONDUCTOR FILM Non-Final OA FUJIFILM Corporation
18809259 SEMICONDUCTOR FILM, PHOTODETECTION ELEMENT, IMAGE SENSOR, AND MANUFACTURING METHOD FOR SEMICONDUCTOR QUANTUM DOT Non-Final OA FUJIFILM Corporation
18792199 DISPERSION LIQUID, MANUFACTURING METHOD FOR QUANTUM DOT FILM, MANUFACTURING METHOD FOR PHOTODETECTION ELEMENT, AND MANUFACTURING METHOD FOR IMAGE SENSOR Non-Final OA FUJIFILM Corporation
18387095 PIEZOELECTRIC MATERIAL COMPOSITION, PIEZOELECTRIC DEVICE, METHOD OF MANUFACTURING THE SAME, AND APPARATUS INCLUDING THE PIEZOELECTRIC DEVICE Final Rejection LG DISPLAY CO., LTD.
18887385 QUANTUM DOT, METHOD OF PREPARING THE SAME, LIGHT-EMITTING DEVICE INCLUDING THE QUANTUM DOT, ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE, AND ELECTRONIC EQUIPMENT INCLUDING THE ELECTRONIC APPARATUS Non-Final OA Samsung Display Co., Ltd.
18774800 QUANTUM DOT AND METHOD FOR PREPARING THE QUANTUM DOT Non-Final OA Samsung Display Co., Ltd.
18673606 PHOSPHOR, WAVELENGTH CONVERSION DEVICE, ILLUMINATION DEVICE, AND PROJECTOR Non-Final OA SEIKO EPSON CORPORATION
18537237 ENHANCING PHOTOLUMINESCENCE STOKES-SHIFT OF CARBON DOTS OBTAINED FROM WASTE BIOMASS VIA NITROGEN DOPING Non-Final OA KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
18118631 METHOD OF PREPARING QUANTUM DOT, QUANTOM DOT PREPARED THEREBY, OPTICAL MEMBER INCLUDING THE QUANTUM DOT, AND ELECTRONIC APPARATUS INCLUDING THE QUANTUM DOT Non-Final OA Korea Advanced Institute of Science and Technology
18800594 SEMICONDUCTOR NANOPARTICLES, METHOD FOR PRODUCING SEMICONDUCTOR NANOPARTICLES, AND LIGHT EMITTER Non-Final OA Murata Manufacturing Co., Ltd.
18290669 PRODUCT COMPRISING A MINERAL WOOL TO BE BLOWN Non-Final OA SAINT-GOBAIN ISOVER
18086585 PIEZOELECTRIC MATERIAL COMPOSITION, METHOD OF MANUFACTURING THE SAME, PIEZOELECTRIC DEVICE, AND APPARATUS INCLUDING THE PIEZOELECTRIC DEVICE Non-Final OA Korea University Research and Business Foundation

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Frequently Asked Questions

What is examiner Carol M Koslow's allowance rate?

81.6% of resolved applications examined by Carol M Koslow were allowed (2,214 resolved cases), compared with 53.6% across Art Unit 1734 over the last five years.

Does an interview help with examiner Carol M Koslow?

This examiner's interview lift is +12.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Carol M Koslow take to allow a patent?

Applications allowed by Carol M Koslow took 952 days on average from filing to allowance.

Which art unit does examiner Carol M Koslow work in?

Carol M Koslow examines applications in Art Unit 1734 in Tech Center 3900.

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