Prosecution Insights
Last updated: October 22, 2026

Yana Belyaev, USPTO Patent Examiner

Listed by the USPTO as BELYAEV, YANA

Tech Center 1700 • Art Units: 1741 1747 1755 1791

This examiner grants 58% of resolved cases

Analysis

BELYAEV, Yana has resolved 446 cases in Tech Center 1700 and shows a 58.3% allowance rate. The 31.5% interview lift is a strong signal that interviews may materially assist prosecution. The median time to allowance is 1498 days, so counsel should begin with a clear claim strategy and use examiner engagement to manage a lengthy path to resolution.

Nicoventures Trading Limited, Philip Morris International Inc., and British American Tobacco plc are the leading companies. MERCHANT & GOULD P.C. - BAT, OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P., and WOMBLE BOND DICKINSON (US) LLP are the leading firms. In art unit 1741, targeted technical discussions may be particularly useful.

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

Performance Statistics

58.3%
Allow Rate
-6.7% vs TC avg
496
Total Applications
+31.5%
Interview Lift
1498
Avg Prosecution Days
Based on 446 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
14.1%
§102 Novelty
63.6%
§103 Obviousness
16.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18669128 PRODUCT INFUSED WITH SMOKE Non-Final OA Nicoventures Trading Limited
18258892 AEROSOL PROVISION DEVICE Final Rejection NICOVENTURES TRADING LIMITED
17756532 ELECTRONIC AEROSOL PROVISION SYSTEM Non-Final OA NICOVENTURES TRADING LIMITED
17780379 A CONSUMABLE FOR USE WITH A NON-COMBUSTIBLE AEROSOL PROVISION SYSTEM Final Rejection NICOVENTURES TRADING LIMITED
15733194 AEROSOLIZABLE STRUCTURE Final Rejection NICOVENTURES TRADING LIMITED
15525163 CONTAINER CONTAINING A NICOTINE SOLUTION Final Rejection Nicoventures Trading Limited
18306368 HEAT-NOT-BURN DEVICE AND FLAVOR CARRIER Final Rejection Altria Client Services LLC
17346628 CIGARETTE WRAPPER WITH NOVEL PATTERN Final Rejection Altria Client Services LLC
18580835 AEROSOL GENERATING COMPOSITION Non-Final OA RAI Strategic Holdings, Inc.
18617477 AEROSOL-GENERATING ARTICLE HAVING AEROSOL-GENERATING SUBSTRATE WITH DUAL PLUGS Non-Final OA Philip Morris Products S.A.
18256128 CAPSULE WITH SUSCEPTOR PARTICLES AND CARRIER Final Rejection Philip Morris Products S.A.
18255389 IMPROVED METHOD OF PRODUCING A LIQUID TOBACCO EXTRACT Final Rejection Philip Morris Products S.A.
18250129 NOVEL AEROSOL-GENERATING SUBSTRATE Non-Final OA Philip Morris Products S.A.
18179218 AEROSOL-GENERATING ARTICLE AND METHOD FOR MANUFACTURING SUCH AEROSOL-GENERATING ARTICLE; AEROSOL-GENERATING DEVICE AND SYSTEM Non-Final OA Philip Morris Products S.A.
16611244 METHOD AND APPARATUS FOR MANUFACTURING A CRIMPED SHEET OF MATERIAL Final Rejection PHILIP MORRIS PRODUCTS S.A.
18478501 NON-COMBUSTION HEATING TYPE FLAVOR SUCTION ARTICLE AND NON-COMBUSTION HEATING TYPE FLAVOR SUCTION PRODUCT Final Rejection JAPAN TOBACCO INC.
17503052 HEATED TOBACCO PRODUCT WITH HEATER-INSERTION CAVITY Final Rejection JAPAN TOBACCO INC.
18563793 AEROSOL GENERATING DEVICE AND OPERATION METHOD THEREOF Non-Final OA KT&G CORPORATION
18284479 AEROSOL-GENERATING DEVICE Final Rejection KT&G CORPORATION
18293883 AEROSOL GENERATING APPARATUS, HEATER FOR AEROSOL GENERATING APPARATUS, AND PREPARATION METHOD Non-Final OA SHENZHEN FIRST UNION TECHNOLOGY CO., LTD.

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Frequently Asked Questions

What is examiner Yana Belyaev's allowance rate?

58.3% of resolved applications examined by Yana Belyaev were allowed (446 resolved cases), compared with 52.1% across Art Unit 1741 over the last five years.

Does an interview help with examiner Yana Belyaev?

This examiner's interview lift is +31.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Yana Belyaev take to allow a patent?

Applications allowed by Yana Belyaev took 1,498 days on average from filing to allowance.

Which art unit does examiner Yana Belyaev work in?

Yana Belyaev examines applications in Art Unit 1741 in Tech Center 1700 (Chemistry & Materials).

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