Prosecution Insights
Last updated: October 26, 2026

Joanna Pleszczynska, USPTO Patent Examiner

Listed by the USPTO as PLESZCZYNSKA, JOANNA

Tech Center 4100 • Art Units: 1746 1783 2841 4100

This examiner grants 54% of resolved cases

Analysis

PLESZCZYNSKA, JOANNA is assigned to technology center 4100 and art unit 1746. The profile includes 693 resolved cases and an allowance rate of 54.5%. The case volume supports a meaningful assessment, while the rate shows a mixed outcome pattern with only a modest allowance majority.

The median time to allowance is 1102 days. Interview lift is 27.7%, indicating a material positive relationship between interviews and allowance. Counsel may therefore consider interviews an important part of prosecution planning.

The recurring companies are LG Electronics Inc., Canon Inc., and 3M Innovative Properties Company. The listed firms are KED & ASSOCIATES, LLP, BakerHostetler, and Burris Law, PLLC. The profile supports careful claim development, direct engagement where useful, and planning for a prosecution period approaching three years.

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

Performance Statistics

54.5%
Allow Rate
-5.5% vs TC avg
733
Total Applications
+27.7%
Interview Lift
1102
Avg Prosecution Days
Based on 693 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
9.7%
§102 Novelty
58.0%
§103 Obviousness
27.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18034851 VACUUM ADIABATIC BODY Non-Final OA LG ELECTRONICS INC.
18823404 LAMINATED BODY, OPTICAL DEVICE, IMAGING APPARATUS, AND DISPLAY APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
18841431 LIGHT SHIELDING ARTICLES AND ELECTROMAGNETIC RECEIVERS AND/OR EMITTERS INCLUDING THE SAME Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18509042 DISPLAY DEVICE Non-Final OA Samsung Display Co., Ltd.
18556553 Screen Cover, Foldable Display Module, and Electronic Device Final Rejection Huawei Technologies Co., Ltd.
18847388 FOLDABLE APPARATUS AND METHOD OF MAKING THE SAME Final Rejection CORNING INCORPORATED
18770903 Waterproof Fastener Tape Non-Final OA YKK Corporation
18627544 METHODS FOR ENCAPSULATING SILVER MIRRORS ON OPTICAL STRUCTURES Final Rejection Applied Materials, Inc.
18834642 DUAL TEXTURED TISSUE PRODUCT Non-Final OA Kimberly-Clark Worldwide, Inc.
18848223 SURFACE-COATED CUTTING TOOL Non-Final OA MITSUBISHI MATERIALS CORPORATION
18806354 METHOD FOR PRODUCING A DECORATIVE ELEMENT, WHICH HAS A FUNCTIONAL OPENING, FOR A MOTOR VEHICLE, AND DECORATIVE ELEMENT Final Rejection Lisa Dräxlmaier GmbH

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Frequently Asked Questions

What is examiner Joanna Pleszczynska's allowance rate?

54.5% of resolved applications examined by Joanna Pleszczynska were allowed (693 resolved cases), compared with 57.1% across Art Unit 1746 over the last five years.

Does an interview help with examiner Joanna Pleszczynska?

This examiner's interview lift is +27.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Joanna Pleszczynska take to allow a patent?

Applications allowed by Joanna Pleszczynska took 1,102 days on average from filing to allowance.

Which art unit does examiner Joanna Pleszczynska work in?

Joanna Pleszczynska examines applications in Art Unit 1746 in Tech Center 4100.

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