Prosecution Insights
Last updated: October 27, 2026

Shlomit Esther Chelst, USPTO Patent Examiner

Listed by the USPTO as CHELST, SHLOMIT ESTHER

Tech Center 2800 • Art Units: 2853

This examiner grants 90% of resolved cases

Analysis

CHELST, SHLOMIT ESTHER is a USPTO patent examiner in tech center 2800 and art unit 2853. The profile contains 10 resolved cases, an allowance rate of 90.0%, and a median of 739 days to allowance. The interview lift is 12.5%, indicating a positive interview-associated result in the available record.

The listed companies are Seiko Epson Corporation, Canon Inc., and Kyocera Document Solutions Inc. The listed firms are Venable LLP, Alleman Hall LLP, and WORKMAN NYDEGGER. Because the record contains 10 resolved cases, practitioners should view the figures as limited evidence, while noting the combination of the recorded allowance rate and the relatively short median time to allowance.

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

Performance Statistics

90.0%
Allow Rate
+22.0% vs TC avg
41
Total Applications
+12.5%
Interview Lift
739
Avg Prosecution Days
Based on 10 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
17.4%
§102 Novelty
61.6%
§103 Obviousness
18.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19184803 LIQUID EJECTING APPARATUS Non-Final OA BROTHER KOGYO KABUSHIKI KAISHA
18918448 IMAGE RECORDING METHOD Non-Final OA FUJIFILM Corporation
19083906 DISCHARGE ELEMENT SUBSTRATE AND RECORDING APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
18796709 INK JET RECORDING METHOD AND INK JET RECORDING APPARATUS Final Rejection CANON KABUSHIKI KAISHA
18796751 INK JET RECORDING METHOD AND INK JET RECORDING APPARATUS Final Rejection CANON KABUSHIKI KAISHA
18763293 PRINTING APPARATUS Final Rejection CANON KABUSHIKI KAISHA
18631953 CARTRIDGE AND CARTRIDGE RECYCLING METHOD Final Rejection CANON KABUSHIKI KAISHA
19092583 LIQUID CONTAINER Non-Final OA SEIKO EPSON CORPORATION
19089459 RECORDING DEVICE Non-Final OA SEIKO EPSON CORPORATION
19087702 PRINTING SYSTEM AND IMAGING DATA STORAGE PROGRAM Non-Final OA SEIKO EPSON CORPORATION
19086227 Liquid Ejecting Head And Liquid Ejecting Apparatus Non-Final OA SEIKO EPSON CORPORATION
19069583 CARRY CASE AND RECORDING SYSTEM Non-Final OA SEIKO EPSON CORPORATION
19023500 LIQUID EJECTING DEVICE AND LIQUID EJECTING METHOD Non-Final OA SEIKO EPSON CORPORATION
19036549 SHEET CONVEYING DEVICE CAPABLE OF ADJUSTING ATTITUDE OF CORRECTING PORTION THAT CORRECTS CONVEYANCE ATTITUDE OF SHEET, AND IMAGE FORMING APPARATUS Final Rejection KYOCERA Document Solutions Inc.
19021972 INKJET CONTROL METHOD AND INKJET RECORDING APPARATUS Final Rejection KYOCERA Document Solutions Inc.
19173091 METHOD FOR PRINTING A ROBUST INK LAYER Non-Final OA Canon Production Printing Holding B.V.
18699424 BINDER FOR AQUEOUS INKJET INKS, AQUEOUS INKJET INK, AND PRINTED LAYER Final Rejection DIC Corporation

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Frequently Asked Questions

What is examiner Shlomit Esther Chelst's allowance rate?

90.0% of resolved applications examined by Shlomit Esther Chelst were allowed (10 resolved cases), compared with 72.7% across Art Unit 2853 over the last five years.

Does an interview help with examiner Shlomit Esther Chelst?

This examiner's interview lift is +12.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Shlomit Esther Chelst take to allow a patent?

Applications allowed by Shlomit Esther Chelst took 739 days on average from filing to allowance.

Which art unit does examiner Shlomit Esther Chelst work in?

Shlomit Esther Chelst examines applications in Art Unit 2853 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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