Prosecution Insights
Last updated: October 26, 2026

Carolyn Fin, USPTO Patent Examiner

Listed by the USPTO as FIN, CAROLYN

Tech Center 2800 • Art Units: 2884

This examiner grants 62% of resolved cases

Analysis

FIN, CAROLYN has 363 resolved cases in Tech Center 2800 and art unit 2884. The allowance rate is 61.7%, the interview lift is 30.1%, and the median time to allowance is 1372 days. The figures show a moderate allowance outcome, a meaningful interview effect, and an extended median timeline that supports deliberate case management.

The listed companies are Canon Inc., Varex Imaging Corporation, and Commissariat à l'Énergie Atomique et aux Énergies Alternatives. The listed firms are OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P., Dickinson Wright PLLC - Washington DC, and Muncy, Geissler, Olds & Lowe, P.C. Practitioners may pair interview preparation with detailed written responses, preserving support for amendments while planning for continued prosecution over the stated median period.

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

Performance Statistics

61.7%
Allow Rate
-6.3% vs TC avg
376
Total Applications
+30.1%
Interview Lift
1372
Avg Prosecution Days
Based on 363 resolved cases, 2023–2026

Rejection Statute Breakdown

3.0%
§101 Eligibility
17.0%
§102 Novelty
37.4%
§103 Obviousness
38.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19077234 X-RAY CT APPARATUS, CONTROLLER OF X-RAY CT APPARATUS, AND CONTROL METHOD FOR X-RAY CT APPARATUS Non-Final OA Canon Kabushiki Kaisha
18924048 PET IMAGING SYSTEM WITH DEPTH-OF-INTERACTION INFORMATION EXTRACTION CAPACITIES AND RELATED METHOD Final Rejection Canon Kabushiki Kaisha

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Frequently Asked Questions

What is examiner Carolyn Fin's allowance rate?

61.7% of resolved applications examined by Carolyn Fin were allowed (363 resolved cases), compared with 73.0% across Art Unit 2884 over the last five years.

Does an interview help with examiner Carolyn Fin?

This examiner's interview lift is +30.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Carolyn Fin take to allow a patent?

Applications allowed by Carolyn Fin took 1,372 days on average from filing to allowance.

Which art unit does examiner Carolyn Fin work in?

Carolyn Fin examines applications in Art Unit 2884 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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