Prosecution Insights
Last updated: October 26, 2026

Anna M Crowell, USPTO Patent Examiner

Listed by the USPTO as CROWELL, ANNA M

Tech Center 3700 • Art Units: 1712 1713 1716 1792 3722

This examiner grants 44% of resolved cases

Analysis

Anna M. Crowell, an examiner in Tech Center 3700 and Art Unit 1712, has 440 resolved cases. Her allowance rate is 44.5%, and the median days to allowance is 1403. These metrics suggest a challenging environment with a pendency of nearly four years.

The interview lift is high at 30.6%, indicating that direct communication is a very effective tool for improving the 44.5% allowance rate. This is a valuable tactic for major applicants like Tokyo Electron Limited, Samsung Electronics Co., Ltd., and ASM IP Holding B.V.

Firms such as HARNESS, DICKEY & PIERCE, P.L.C., Muir Patent Law, PLLC, and Studebaker Brackett PLLC are frequent representatives. The 44.5% allowance rate across 440 resolved cases is the baseline for success. The 1403-day median pendency and 30.6% interview lift provide additional strategic depth for practitioners.

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

Performance Statistics

44.5%
Allow Rate
-25.5% vs TC avg
482
Total Applications
+30.6%
Interview Lift
1403
Avg Prosecution Days
Based on 440 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
16.5%
§102 Novelty
57.9%
§103 Obviousness
13.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18587026 ION BEAM ETCHING APPARATUS, METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE USING THE SAME, AND METHOD FOR TREATING SUBSTRATE USING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18453679 SUBSTRATE PROCESSING APPARATUS AND SEMICONDUCTOR DEVICE MANUFACTURING METHOD USING THE SAME Final Rejection Samsung Electronics Co., Ltd.
18235603 SUBSTRATE SUPPORTING APPARATUS Non-Final OA Samsung Electronics Co., Ltd.
18133277 PLASMA ETCHING APPARATUS AND OPERATING METHOD THEREOF Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18792992 APPARATUS FOR PLASMA PROCESSING AND METHOD OF ETCHING Non-Final OA Tokyo Electron Limited
18789854 HYDROPHOBIZATION TREATMENT APPARATUS, HYDROPHOBIZATION TREATMENT METHOD, AND COMPUTER STORAGE MEDIUM Final Rejection Tokyo Electron Limited
18240010 PLASMA PROCESSING APPARATUS Final Rejection Tokyo Electron Limited
18360384 SUBSTRATE SUPPORT AND PLASMA PROCESSING APPARATUS Final Rejection Tokyo Electron Limited
18101676 PLASMA PROCESSING APPARATUS AND PLASMA PROCESSING METHOD Final Rejection Tokyo Electron Limited
18088870 PLASMA PROCESSING APPARATUS AND ELECTROSTATIC CHUCK MANUFACTURING METHOD Final Rejection Tokyo Electron Limited
17894296 ELECTROSTATIC CHUCK, SUBSTRATE SUPPORT, PLASMA PROCESSING APPARATUS, AND METHOD OF MANUFACTURING ELECTROSTATIC CHUCK Final Rejection Tokyo Electron Limited
16134200 SYSTEMS AND PROCESSES FOR PLASMA TUNING Final Rejection Applied Materials, Inc.
18785878 CANTILEVER WITH ETCH CHAMBER FLOW DESIGN Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.

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Frequently Asked Questions

What is examiner Anna M Crowell's allowance rate?

44.5% of resolved applications examined by Anna M Crowell were allowed (440 resolved cases), compared with 43.3% across Art Unit 1712 over the last five years.

Does an interview help with examiner Anna M Crowell?

This examiner's interview lift is +30.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Anna M Crowell take to allow a patent?

Applications allowed by Anna M Crowell took 1,403 days on average from filing to allowance.

Which art unit does examiner Anna M Crowell work in?

Anna M Crowell examines applications in Art Unit 1712 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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