Prosecution Insights
Last updated: October 26, 2026

Lorna M Douyon, USPTO Patent Examiner

Listed by the USPTO as DOUYON, LORNA M

Tech Center 1700 • Art Units: 1761 1796

This examiner grants 57% of resolved cases

Analysis

In Tech Center 1700 and Art Unit 1761, DOUYON, LORNA M has resolved 998 cases. The allowance rate is 56.8%, while the interview lift is 72.1%. The median time to allowance is 1049 days. The figures identify a portfolio where interviews have a pronounced measured association with allowance outcomes, even though the overall allowance rate is more limited than the interview result might suggest.

The leading companies are The Procter & Gamble Company, Henkel AG & Co. KGaA, and Conopco, Inc. d/b/a Unilever. The leading firms are Lerner David LLP, CARTER, DELUCA & FARRELL LLP, and McKee, Voorhees & Sease P.L.C. ATTN: Ecolab Inc. Interview preparation may deserve early strategic attention, with written amendments aligned to points likely to be discussed.

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

Performance Statistics

56.8%
Allow Rate
-8.2% vs TC avg
1,055
Total Applications
+72.1%
Interview Lift
1049
Avg Prosecution Days
Based on 998 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
14.9%
§102 Novelty
49.4%
§103 Obviousness
23.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19047754 FABRIC AND HOME CARE COMPOSITION COMPRISING SURFACTANT AND A POLYESTER Non-Final OA The Procter & Gamble Company
18894382 WATER-SOLUBLE UNIT DOSE ARTICLE CONTAINING A CORE/SHELL CAPSULE Non-Final OA The Procter & Gamble Company
18678607 WATER-SOLUBLE AUTOMATIC DISHWASHING DETERGENT POUCH Final Rejection The Procter & Gamble Company
18438576 DETERGENT COMPOSITION COMPRISING DETERSIVE SURFACTANT AND BIODEGRADABLE GRAFT POLYMERS Final Rejection The Procter & Gamble Company
18483746 WATER-SOLUBLE MULTICOMPARTMENT UNIT DOSE ARTICLE Non-Final OA The Procter & Gamble Company
18327106 FLEXIBLE, DISSOLVABLE, POROUS SHEETS Non-Final OA The Procter & Gamble Company
18869260 COMPOSITION Non-Final OA Conopco, Inc., d/b/a UNILEVER
18845282 CONCENTRATED FABRIC CONDITIONER Final Rejection Conopco, Inc., d/b/a UNILEVER
18700272 FILMS AND CAPSULES Final Rejection Conopco Inc., d/b/a UNILEVER
18594883 COLOR CHANGING CLEANING COMPOSITIONS Final Rejection Energizer Auto, Inc.

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Frequently Asked Questions

What is examiner Lorna M Douyon's allowance rate?

56.8% of resolved applications examined by Lorna M Douyon were allowed (998 resolved cases), compared with 46.8% across Art Unit 1761 over the last five years.

Does an interview help with examiner Lorna M Douyon?

This examiner's interview lift is +72.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Lorna M Douyon take to allow a patent?

Applications allowed by Lorna M Douyon took 1,049 days on average from filing to allowance.

Which art unit does examiner Lorna M Douyon work in?

Lorna M Douyon examines applications in Art Unit 1761 in Tech Center 1700 (Chemistry & Materials).

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