Prosecution Insights
Last updated: October 27, 2026

Dionne Walls Mayes, USPTO Patent Examiner

Listed by the USPTO as MAYES, DIONNE WALLS

Tech Center 1700 • Art Units: 1747

This examiner grants 64% of resolved cases

Analysis

MAYES, DIONNE WALLS works in Tech Center 1700 and Art Unit 1747. She has 555 resolved cases, a 64.3% allowance rate, and a 1249-day median to allowance. The reported timing indicates extended prosecution, while the allowance rate shows that more than half of the resolved matters reached allowance.

The interview lift is 27.0%, indicating a substantial association between interviews and allowance outcomes. Recurring applicants include Nicoventures Trading Limited, Philip Morris International Inc., and R.J. Reynolds Tobacco Company. The listed firms are WOMBLE BOND DICKINSON (US) LLP, MERCHANT & GOULD P.C. - BAT, and SUGHRUE MION, PLLC. Interview preparation may be useful when claim scope requires careful technical explanation.

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

Performance Statistics

64.3%
Allow Rate
-0.7% vs TC avg
589
Total Applications
+27.0%
Interview Lift
1249
Avg Prosecution Days
Based on 555 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
15.3%
§102 Novelty
54.1%
§103 Obviousness
22.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18263935 APPARATUS FOR HEATING AEROSOLISABLE MATERIAL Non-Final OA NICOVENTURES TRADING LIMITED
17934525 APPARATUS FOR HEATING SMOKABLE MATERIAL Non-Final OA NICOVENTURES TRADING LIMITED
17755198 BATTERY CHARGING Final Rejection Nicoventures Trading Limited
17655163 CONTROL OF PUFF PROFILE Final Rejection Nicoventures Trading Limited
17170986 ORAL PRODUCTS WITH CONTROLLED RELEASE Non-Final OA NICOVENTURES TRADING LIMITED
16707067 ORAL COMPOSITION INCLUDING GELS Non-Final OA NICOVENTURES TRADING LIMITED
18577871 NOVEL AEROSOL-GENERATING SUBSTRATE COMPRISING OREGANUM SPECIES Non-Final OA Philip Morris Products S.A.
17792866 AEROSOL-GENERATING DEVICE WITH ADAPTION TO AMBIENT ENVIRONMENT Non-Final OA PHILIP MORRIS PRODUCTS S.A.
18467173 BANDED PAPERS, SMOKING ARTICLES AND METHODS Final Rejection Philip Morris USA Inc.
18289843 FILTER FOR CIGARETTES AND CIGARETTE INCLUDING THE SAME Non-Final OA KT&G CORPORATION
18289440 MEDIUM SEGMENT, AEROSOL-GENERATING ARTICLE, AND SYSTEM COMPRISING SAME Non-Final OA KT&G CORPORATION
18490384 AEROSOL GENERATION SYSTEM Non-Final OA JAPAN TOBACCO INC.

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Frequently Asked Questions

What is examiner Dionne Walls Mayes's allowance rate?

64.3% of resolved applications examined by Dionne Walls Mayes were allowed (555 resolved cases), compared with 38.3% across Art Unit 1747 over the last five years.

Does an interview help with examiner Dionne Walls Mayes?

This examiner's interview lift is +27.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Dionne Walls Mayes take to allow a patent?

Applications allowed by Dionne Walls Mayes took 1,249 days on average from filing to allowance.

Which art unit does examiner Dionne Walls Mayes work in?

Dionne Walls Mayes examines applications in Art Unit 1747 in Tech Center 1700 (Chemistry & Materials).

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