Prosecution Insights
Last updated: October 02, 2026

Examiner: KASZTEJNA, MATTHEW JOHN

Tech Center 3900 • Art Units: 1742 3725 3739 3779 3795 3799 3993

This examiner grants 64% of resolved cases

Analysis

Matthew John Kasztejna operates in Tech Center 3900 and Art Unit 1742. With 907 resolved cases, the examiner has an allowance rate of 64.5%. The median time to reach an allowance is 1303 days. This duration provides a baseline for applicants navigating the prosecution process in this unit.

The interview lift is 13.1%, showing that interviews are associated with a higher likelihood of allowance compared to the 64.5% base rate. Practitioners can use this 13.1% lift to navigate the prosecution process over the 1303-day median pendency for these 907 resolved cases. The data from Tech Center 3900 highlights the impact of direct engagement on the 64.5% allowance rate. These metrics from Art Unit 1742 offer a data-grounded view of the examiner's historical performance. Direct communication remains a viable strategy for applicants.

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

Performance Statistics

64.5%
Allow Rate
+4.5% vs TC avg
939
Total Applications
+13.1%
Interview Lift
1303
Avg Prosecution Days
Based on 907 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
24.6%
§102 Novelty
43.7%
§103 Obviousness
20.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18258097 SYSTEM FOR DISPENSING INDIVIDUAL PORTIONS OF BEVERAGES PRECURSOR Non-Final OA SOCIETE DES PRODUITS NESTLE S.A.
17361165 FIXATION SLEEVE EQUIPPED LEADLESS PULSE GENERATOR Non-Final OA Pacesetter, Inc.
16986161 GROOVES OF GOLF CLUB HEADS AND METHODS TO MANUFACTURE GROOVES OF GOLF CLUB HEADS Non-Final OA KARSTEN MANUFACTURING CORPORATION
18267654 MAGNETIC STIRRER Non-Final OA ELECTROLUX APPLIANCES AKTIEBOLAG
18591535 COOKING VESSEL Non-Final OA WHIRLPOOL CORPORATION
18284621 FLAVORING RESERVOIR FOR STORING AROMATICS, AND DRINK SYSTEM HAVING SUCH A FLAVORING RESERVOIR Final Rejection air up group GmbH
18264620 COOKING EXPANSION MODULE Final Rejection Sunbeam Products, Inc.
18690588 BREWING UNIT,BEVERAGE PREPARATION MACHINE, METHOD FOR INSERTING A CAPSULE, AND BEVERAGE PREPARATION SYSTEM Non-Final OA Delica AG
18687823 FOOD PREPARATION APPLIANCE, TOOL AND COVER OF SUCH AN APPLIANCE Non-Final OA HAMEUR
18436360 APPARATUS FOR PRODUCING NOODLE SKIN PIECE Non-Final OA YUTAKA MFG. CO., LTD.
18468690 AUTOMATED AVOCADO PROCESSING SYSTEM AND RELATED METHOD Final Rejection Vebu Inc.
18273056 BEVERAGE PREPARATION DEVICE AND BEVERAGE MACHINE Final Rejection Melitta Professional Coffee Solutions GmbH & Co. KG

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