Prosecution Insights
Last updated: October 02, 2026

Examiner: PLESZCZYNSKA, JOANNA

Tech Center 4100 • Art Units: 1746 1783 1794 2841 4100

This examiner grants 54% of resolved cases

Analysis

Joanna Pleszczynska is an examiner in Tech Center 4100 and Art Unit 1746. The examiner has 691 resolved cases and an allowance rate of 54.4 percent. This indicates a moderate level of difficulty for applicants. The median days to allowance is 1100, which serves as a benchmark for the time required to reach a grant. With 691 resolved cases, the data provides a reliable perspective on the examiner's tendencies.

The interview lift for this examiner is 28.0 percent. This is a substantial lift, suggesting that interviews are very effective in this examiner's practice compared to the 54.4 percent baseline. Practitioners should prioritize direct communication to leverage the 28.0 percent lift. The 1100 median days to allowance is a key consideration for the timeline in Art Unit 1746. Given the 691 resolved cases, the 28.0 percent interview lift offers a clear path to improve the 54.4 percent probability of allowance.

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

Performance Statistics

54.4%
Allow Rate
-5.6% vs TC avg
725
Total Applications
+28.0%
Interview Lift
1100
Avg Prosecution Days
Based on 691 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
9.7%
§102 Novelty
58.3%
§103 Obviousness
26.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
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.
18823404 LAMINATED BODY, OPTICAL DEVICE, IMAGING APPARATUS, AND DISPLAY APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
18253989 MICROSTRUCTURED SURFACE WITH INCREASED MICROORGANISM REMOVAL WHEN CLEANED, ARTICLES AND METHODS Non-Final OA Solventum Intellectual Properties Company
18770903 Waterproof Fastener Tape Final Rejection YKK Corporation
18441347 MOLDED/BACK-INJECTED TRIM PANELS Final Rejection Tesla, Inc.
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.
18605985 Joint and a device for joining fiber web ends Non-Final OA Valmet Technologies Oy
18806354 METHOD FOR PRODUCING A DECORATIVE ELEMENT, WHICH HAS A FUNCTIONAL OPENING, FOR A MOTOR VEHICLE, AND DECORATIVE ELEMENT Final Rejection Lisa Dräxlmaier GmbH
18848223 SURFACE-COATED CUTTING TOOL Non-Final OA MITSUBISHI MATERIALS CORPORATION
17896232 GLASS MAT FACED GYPSUM BOARD AND GYPSUM SLURRY FORMED USING A PHOSPHORUS CONTAINING COMPOUND Non-Final OA Gold Bond Building Products, LLC
18474452 HYBRID COMPRESSION PAD FOR A BATTERY CELL STACK AS WELL AS MANUFACTURING METHODS THEREFOR, AND A BATTERY CELL MODULE CONSTRUCTED THEREWITH Non-Final OA Dr. Ing. h.c. F. Porsche Aktiengesellschaft
17684043 MESH AND USES THEREOF Final Rejection Surgical Innovation Associates, Inc.

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