Last updated: October 26, 2026

Caroline Tabancay Duffy, USPTO Patent Examiner

Listed by the USPTO as DUFFY, CAROLINE TABANCAY

Tech Center 2600 • Art Units: 2662

This examiner grants 81% of resolved cases

Analysis

DUFFY, CAROLINE TABANCAY is a USPTO patent examiner in tech center 2600 and art unit 2662. The profile includes 98 resolved cases, an 80.6% allowance rate, and a median of 1053 days to allowance. The interview lift is 18.0%, so interviews show a positive association with outcomes in the available record.

Samsung Electronics Co., Ltd., NEC Corporation, and Huawei Cloud Computing Technologies Co., Ltd. appear among the listed companies. The listed firms are Bookoff McAndrews, PLLC, Grüneberg Global IP, PLLC, and IPSILON USA. Counsel can consider examiner interviews as one part of a prosecution plan, while recognizing that the case volume is more limited than profiles with larger resolved-case records.

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

Performance Statistics

80.6%

Allow Rate

+18.6% vs TC avg

117

Total Applications

+18.0%

Interview Lift

1053

Avg Prosecution Days

Based on 98 resolved cases, 2023–2026

Rejection Statute Breakdown

14.0%

§101 Eligibility

9.1%

§102 Novelty

59.0%

§103 Obviousness

15.6%

§112 Clarity

Currently Pending Office Actions

App #	Title	Status	Assignee
18938110	METHOD AND DEVICE WITH MULTI-LEVEL SEMICONDUCTOR WAFER DEFECT DETECTION	Non-Final OA	Samsung Electronics Co., Ltd.
19046606	DIAGNOSIS ASSISTANCE APPARATUS, RECORDING MEDIUM, AND DIAGNOSIS ASSISTANCE METHOD	Non-Final OA	NEC Corporation
19030147	IMAGE RENDERING METHOD, APPARATUS, AND DEVICE	Non-Final OA	HUAWEI CLOUD COMPUTING TECHNOLOGIES CO., LTD.
18821023	METHOD FOR GENERATING AN IMAGE OF A SAMPLE	Non-Final OA	Carl Zeiss Microscopy GmbH

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Caroline Tabancay Duffy's allowance rate?

80.6% of resolved applications examined by Caroline Tabancay Duffy were allowed (98 resolved cases), compared with 70.1% across Art Unit 2662 over the last five years.

Does an interview help with examiner Caroline Tabancay Duffy?

This examiner's interview lift is +18.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Caroline Tabancay Duffy take to allow a patent?

Applications allowed by Caroline Tabancay Duffy took 1,053 days on average from filing to allowance.

Which art unit does examiner Caroline Tabancay Duffy work in?

Caroline Tabancay Duffy examines applications in Art Unit 2662 in Tech Center 2600 (Communications).