Prosecution Insights
Last updated: October 26, 2026

Daborah Chacko Davis, USPTO Patent Examiner

Listed by the USPTO as CHACKO DAVIS, DABORAH

Tech Center 1700 • Art Units: 1722 1737 1795

This examiner grants 72% of resolved cases

Analysis

CHACKO DAVIS, DABORAH has 997 resolved cases, with a 72.0% allowance rate and a median of 1228 days to allowance. The profile falls within Tech Center 1700 and art unit 1722. The 20.4% interview lift identifies interviews as a meaningful factor in the available prosecution record.

The listed companies are Shin-Etsu Chemical Co., Ltd., Taiwan Semiconductor Manufacturing Company, Ltd., and Tokyo Electron Limited. Their presence places chemical, semiconductor manufacturing, and equipment work among the principal technologies represented. SUGHRUE MION, PLLC, WHDA, LLP, and Morgan, Lewis & Bockius LLP (WA) are the leading listed firms, giving applicants several identifiable sources of prosecution experience for this docket.

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

Performance Statistics

72.0%
Allow Rate
+7.0% vs TC avg
1,052
Total Applications
+20.4%
Interview Lift
1228
Avg Prosecution Days
Based on 997 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
28.5%
§102 Novelty
35.9%
§103 Obviousness
25.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18411337 MANUFACTURING METHOD OF SEMICONDUCTOR CHIP, AND KIT Final Rejection FUJIFILM Corporation
18170591 TRANSFER FILM, MANUFACTURING METHOD FOR LAMINATE, MANUFACTURING METHOD FOR CIRCUIT WIRE, AND MANUFACTURING METHOD FOR ELECTRONIC DEVICE Non-Final OA FUJIFILM Corporation
18587235 SEMICONDUCTOR PHOTORESIST COMPOSITION AND METHOD OF FORMING PATTERNS USING THE COMPOSITION Non-Final OA SAMSUNG SDI CO., LTD.
17943729 Hybrid Development of EUV Resists Non-Final OA Tokyo Electron Limited
17943926 PATTERNING A SEMICONDUCTOR WORKPIECE Non-Final OA Tokyo Electron Limited
18294072 PELLICLE FOR EXPOSURE CAPABLE OF EASY ADJUSTMENT OF ATMOSPHERIC PRESSURE Non-Final OA Shin-Etsu Chemical Co., Ltd.
18436721 ONIUM SALT, RESIST COMPOSITION AND PATTERN FORMING PROCESS Non-Final OA Shin-Etsu Chemical Co., Ltd.
18286520 Pellicle Frame Laminate and Method for Manufacturing Pellicle Using Said Laminate Final Rejection Shin-Etsu Chemical Co., Ltd.
18376499 CHEMICALLY AMPLIFIED RESIST COMPOSITION AND PATTERNING PROCESS Non-Final OA Shin-Etsu Chemical Co., Ltd.
18234049 RESIST COMPOSITION AND PATTERN FORMING PROCESS Final Rejection Shin-Etsu Chemical Co., Ltd.
18361298 DOSE REDUCTION BOTTOM ANTI-REFLECTIVE COATING FOR METALLIC PHOTORESIST Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18361609 EUV RETICLE WITH EMBEDDED PROCESS ASSISTANCE LAYER AND METHOD OF MANUFACTURING THE EUV RETICLE Final Rejection Taiwan Semiconductor Manufacturing Co., Ltd.
17912202 SYSTEMS AND METHODS FOR FORMING STRUCTURES ON A SURFACE Final Rejection ASML HOLDING N.V.
18552645 PATTERNING DEVICE FOR A LITHOGRAPHIC APPARATUS AND METHOD Non-Final OA ASML NETHERLANDS B.V.

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Frequently Asked Questions

What is examiner Daborah Chacko Davis's allowance rate?

72.0% of resolved applications examined by Daborah Chacko Davis were allowed (997 resolved cases), compared with 60.4% across Art Unit 1722 over the last five years.

Does an interview help with examiner Daborah Chacko Davis?

This examiner's interview lift is +20.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Daborah Chacko Davis take to allow a patent?

Applications allowed by Daborah Chacko Davis took 1,228 days on average from filing to allowance.

Which art unit does examiner Daborah Chacko Davis work in?

Daborah Chacko Davis examines applications in Art Unit 1722 in Tech Center 1700 (Chemistry & Materials).

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