Prosecution Insights
Last updated: October 27, 2026

Natasha N. Campbell, USPTO Patent Examiner

Listed by the USPTO as CAMPBELL, NATASHA N.

Tech Center 1700 • Art Units: 1714 1792

This examiner grants 68% of resolved cases

Analysis

CAMPBELL, NATASHA N. is assigned to tech center 1700 and art unit 1714. Across 849 resolved cases, the allowance rate is 67.8% and the interview lift is 14.4%. The median days to allowance are 1057.

The listed companies are Applied Materials Inc., ASM IP Holding B.V., and LG Energy Solution Ltd. The listed firms are BANNER & WITCOFF, LTD., Dinsmore & Shohl LLP, and HARNESS, DICKEY & PIERCE, P.L.C. The substantial case volume makes the profile useful for planning. Its positive interview lift supports considering interviews alongside written responses when prosecution issues are suitable for discussion.

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

Performance Statistics

67.8%
Allow Rate
+2.8% vs TC avg
880
Total Applications
+14.4%
Interview Lift
1057
Avg Prosecution Days
Based on 849 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
15.8%
§102 Novelty
54.2%
§103 Obviousness
24.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18904974 METHODS AND SYSTEMS FOR PREVENTIVE MAINTENANCE OF SEMICONDUCTOR PROCESSING EQUIPMENT Non-Final OA ASM IP Holding B.V.
18852771 Sealing Tool Cleaning Device and Sealing Tool Cleaning Method Using the Same Non-Final OA LG Energy Solution, Ltd.
18428526 AUTOMATED DE-POWDERING OF ADDITIVE MANUFACTURING BUILD Non-Final OA General Electric Company
18612375 Cleaning System Non-Final OA Anker Innovations Technology Co., Ltd.
18946110 SUBSTRATE CLEANING METHOD AND SUBSTRATE CLEANING DEVICE Non-Final OA Tokyo Electron Limited
19070247 APPARATUS AND METHOD FOR CLEANING SUSCEPTORS WITH PLASMA Non-Final OA Applied Materials, Inc.
18647587 PROCESSING MODULE HAVING A PRIMING SYSTEM Non-Final OA Applied Materials, Inc.
18815475 INDUCTION HEATED FAN FOR DISHWASHER Final Rejection Midea Group Co., Ltd.
18901094 MANUFACTURING METHOD, SUBSTRATE PROCESSING METHOD, AND SUBSTRATE PROCESSING APPARATUS Non-Final OA SEMES CO., LTD.

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Frequently Asked Questions

What is examiner Natasha N. Campbell's allowance rate?

67.8% of resolved applications examined by Natasha N. Campbell were allowed (849 resolved cases), compared with 50.6% across Art Unit 1714 over the last five years.

Does an interview help with examiner Natasha N. Campbell?

This examiner's interview lift is +14.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Natasha N. Campbell take to allow a patent?

Applications allowed by Natasha N. Campbell took 1,057 days on average from filing to allowance.

Which art unit does examiner Natasha N. Campbell work in?

Natasha N. Campbell examines applications in Art Unit 1714 in Tech Center 1700 (Chemistry & Materials).

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