Prosecution Insights
Last updated: October 26, 2026

Lynn Y Fan, USPTO Patent Examiner

Listed by the USPTO as FAN, LYNN Y

Tech Center 1700 • Art Units: 1651 1759

This examiner grants 47% of resolved cases

Analysis

FAN, LYNN Y is assigned to technology center 1700 and art unit 1651. The profile records 490 resolved cases, with an allowance rate of 47.3%, an interview lift of 49.8%, and a median of 1258 days to allowance. The allowance outcome is below a majority, while the interview measure is strongly positive. Together, the figures support an engagement-focused approach with meaningful attention to claim fallback positions.

Novozymes A/S, Université Catholique de Louvain, and The Procter & Gamble Company are among the listed companies. The listed firms are LUCAS & MERCANTI, LLP, CANTOR COLBURN LLP, and Casimir Jones, S.C. Practitioners may benefit from preparing interviews as a central part of response strategy, while recognizing that engagement does not eliminate allowance risk. The median timing calls for sustained prosecution planning.

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

Performance Statistics

47.3%
Allow Rate
-17.7% vs TC avg
540
Total Applications
+49.8%
Interview Lift
1258
Avg Prosecution Days
Based on 490 resolved cases, 2023–2026

Rejection Statute Breakdown

4.4%
§101 Eligibility
8.3%
§102 Novelty
47.2%
§103 Obviousness
26.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18325470 DISHWASHING DETERGENT COMPOSITION COMPRISING XYLANASE AND BLOCK CO-POLYMER Final Rejection The Procter & Gamble Company
18004556 Compositions and Methods for Inhibiting and Treating Coronavirus Infections Final Rejection The Regents of the University of California
18747769 COLLAGEN FIBERS AND ARTICLES FORMED THEREFROM Non-Final OA EDWARDS LIFESCIENCES CORPORATION
18854570 PROCESS FOR THE FERMENTATIVE PRODUCTION OF A BIOSURFACTANT Non-Final OA Evonik Operations GmbH

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Frequently Asked Questions

What is examiner Lynn Y Fan's allowance rate?

47.3% of resolved applications examined by Lynn Y Fan were allowed (490 resolved cases), compared with 31.6% across Art Unit 1651 over the last five years.

Does an interview help with examiner Lynn Y Fan?

This examiner's interview lift is +49.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Lynn Y Fan take to allow a patent?

Applications allowed by Lynn Y Fan took 1,258 days on average from filing to allowance.

Which art unit does examiner Lynn Y Fan work in?

Lynn Y Fan examines applications in Art Unit 1651 in Tech Center 1700 (Chemistry & Materials).

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