Prosecution Insights
Last updated: October 26, 2026

Sylvia Macarthur, USPTO Patent Examiner

Listed by the USPTO as MACARTHUR, SYLVIA

Tech Center 2800 • Art Units: 1713 1716 1718 1792 2813 2899

This examiner grants 66% of resolved cases

Performance Statistics

65.9%
Allow Rate
-2.1% vs TC avg
1,015
Total Applications
+25.7%
Interview Lift
1331
Avg Prosecution Days
Based on 973 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
26.1%
§102 Novelty
52.6%
§103 Obviousness
10.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18758486 SUBSTRATE PROCESSING APPARATUS Non-Final OA Samsung Electronics Co., Ltd.
18538419 INTERNAL PRESSURE CONTROL APPARATUS AND SUBSTRATE PROCESSING APPARATUS INCLUDING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18754712 MASK ASSEMBLY, AND APPARATUS FOR MANUFACTURING DISPLAY APPARATUS Non-Final OA Samsung Display Co., Ltd.
18423577 TOOLS AND METHODS FOR SUBTRACTIVE METAL PATTERNING Non-Final OA Intel Corporation
18958534 SUBSTRATE PROCESSING SYSTEM AND SUBSTRATE PROCESSING METHOD Non-Final OA Tokyo Electron Limited
18663644 SUBSTRATE PROCESSING APPARATUS Non-Final OA Tokyo Electron Limited
18392102 SUBSTRATE SUPPORT AND PLASMA PROCESSING APPARATUS Final Rejection Tokyo Electron Limited
18483608 SUBSTRATE PROCESSING APPARATUS AND SUBSTRATE GRIPPING DEVICE Non-Final OA Tokyo Electron Limited
18552108 SUBSTRATE LIQUID-TREATMENT DEVICE Final Rejection Tokyo Electron Limited
18824860 SUBSTRATE PROCESSING APPARATUS HAVING A MIDDLE ELECTRODE Non-Final OA SK hynix Inc.
17786520 SURFACE PROFILING AND TEXTURING OF CHAMBER COMPONENTS Final Rejection APPLIED MATERIALS, INC.
18663606 HEAT CLEANING SYSTEM AND METHOD FOR CMP PAD BY-PRODUCT CONTROL Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18763852 SYSTEM FOR STORING CHEMICAL LIQUID AND METHOD FOR ADJUSTING GAS CONCENTRATION IN CHEMICAL LIQUID Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
18667673 POLISHING APPARATUS Non-Final OA Taiwan Semiconductor Manufacturing Company Limited
18390936 Workpiece Processing Apparatus with Contact Temperature Sensor Non-Final OA Mattson Technology, Inc.

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Frequently Asked Questions

What is examiner Sylvia Macarthur's allowance rate?

65.9% of resolved applications examined by Sylvia Macarthur were allowed (973 resolved cases), compared with 62.4% across Art Unit 1713 over the last five years.

Does an interview help with examiner Sylvia Macarthur?

This examiner's interview lift is +25.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sylvia Macarthur take to allow a patent?

Applications allowed by Sylvia Macarthur took 1,331 days on average from filing to allowance.

Which art unit does examiner Sylvia Macarthur work in?

Sylvia Macarthur examines applications in Art Unit 1713 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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