Prosecution Insights
Last updated: October 02, 2026

Examiner: FAN, LYNN Y

Tech Center 1700 • Art Units: 1651 1759

This examiner grants 47% of resolved cases

Analysis

Lynn Y. Fan is an examiner in Tech Center 1700 and Art Unit 1651. The examiner has 488 resolved cases, providing a data set for analysis. The allowance rate is 47.3 percent, which suggests the environment for applicants. This rate indicates the portion of applications that result in a grant, requiring a strategic approach to prosecution.

The median days to allowance is 1256, which is the timeline for this examiner. This duration is a factor for applicants to consider. However, the interview lift of 49.5 percent is a metric suggesting that interviews are effective. In Art Unit 1651, an interview can change the chances of success compared to cases without one. The 47.3 percent allowance rate makes this lift a factor for practitioners.

With 488 resolved cases in Tech Center 1700, the examiner 1256 days to allowance is a figure. The 49.5 percent interview lift offers a way to address the challenges of Art Unit 1651. Practitioners should consider direct communication to improve their odds of a grant. These metrics provide a view of the prosecution landscape under this examiner.

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
531
Total Applications
+49.5%
Interview Lift
1256
Avg Prosecution Days
Based on 488 resolved cases, 2023–2026

Rejection Statute Breakdown

4.4%
§101 Eligibility
8.2%
§102 Novelty
47.1%
§103 Obviousness
26.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18325470 DISHWASHING DETERGENT COMPOSITION COMPRISING XYLANASE AND BLOCK CO-POLYMER Final Rejection The Procter & Gamble Company
18747769 COLLAGEN FIBERS AND ARTICLES FORMED THEREFROM Non-Final OA EDWARDS LIFESCIENCES CORPORATION
18199277 FOOD PRODUCTION SYSTEM, COMPOSITIONS, AND METHODS OF USING THE SAME Final Rejection ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY
18776731 Decellularization and Functionalization of Extracellular Matrix Biomaterials Non-Final OA University of Pittsburgh - Of the Commonwealth System of Higher Education
17915652 SUBMERGED FERMENTATION PROCESS Non-Final OA Novozymes A/S
17913103 CLEANING COMPOSITIONS COMPRISING POLYPEPTIDES HAVING FRUCTAN DEGRADING ACTIVITY Non-Final OA Novozymes A/S
18278911 A CLOCK OSCILLATOR FOR BIOCHEMICAL REACTION COMPUTERS Final Rejection SOUTH CHINA UNIVERSITY OF TECHNOLOGY
18549476 TREATMENT OF EYE DISEASES WITH FRUCTOSYL-AMINO ACID OXIDASE Non-Final OA Universiteit Gent
18256199 TREATMENT OF HEMOPHILIA WITH FITUSIRAN Non-Final OA Genzyme Corporation
18553044 Protein Tyrosine Phosphatases as Biomarkers for Hepatocellular Carcinoma and Uses Thereof Non-Final OA Université Libre De Bruxelles
18291230 ANTIBIOTIC PHARMACEUTICAL COMPOSITION CAPABLE OF SUBCUTANEOUS ADMINISTRATION Non-Final OA SHANGHAI BAO PHARMACEUTICALS CO., LTD.
18260079 RECOMBINANT HUMAN HYALURONIDASE FORMULATION AND APPLICATION THEREOF Non-Final OA Shanghai Bao Pharmaceuticals Co., Ltd.
17276507 COMPOSITIONS AND METHODS FOR TREATING CELLULITE Final Rejection ENDO OPERATIONS LIMITED

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