Prosecution Insights
Last updated: October 26, 2026

Carla J Therrien, USPTO Patent Examiner

Listed by the USPTO as THERRIEN, CARLA J

Tech Center 3700 • Art Units: 2852 3762

This examiner grants 87% of resolved cases

Analysis

THERRIEN, CARLA J is a USPTO patent examiner in tech center 3700 and art unit 2852. The record includes 663 resolved cases, an allowance rate of 87.0%, and a median of 534 days to allowance. The reported interview lift is 4.5%.

Canon Inc., Kyocera Document Solutions Inc., and Kabushiki Kaisha Toshiba are the listed companies. The listed firms are Venable LLP, Alleman Hall LLP, and FOLEY & LARDNER LLP. The allowance and timing figures present a profile with a substantial observed allowance rate and a comparatively contained median prosecution period within the data reported here. Practitioners can use the modest interview measure as a reason to prepare interviews selectively, with the application record determining whether discussion is worthwhile.

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

Performance Statistics

87.0%
Allow Rate
+17.0% vs TC avg
684
Total Applications
+4.5%
Interview Lift
534
Avg Prosecution Days
Based on 663 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
31.2%
§102 Novelty
39.6%
§103 Obviousness
22.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19066973 IMAGE-FORMING APPARATUS INCLUDING DETACHABLE CHUTE CONFIGURED TO FORM PART OF RE-CONVEYING PATH POSITIONED BETWEEN SHEET TRAY AND DRAWER Final Rejection BROTHER KOGYO KABUSHIKI KAISHA
19306491 PRINTING SYSTEM, CONTROL METHOD THEREFOR, AND STORAGE MEDIUM Non-Final OA CANON KABUSHIKI KAISHA
19304859 FIXING DEVICE AND IMAGE FORMING APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
19294921 CHARGE-ELIMINATING APPARATUS AND IMAGE FORMING SYSTEM Non-Final OA CANON KABUSHIKI KAISHA
19235735 IMAGE FORMING APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
19221716 IMAGE FORMING APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
19170252 IMAGE FORMING APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
19053091 IMAGE FORMING APPARATUS Final Rejection CANON KABUSHIKI KAISHA
19270978 IMAGE FORMING APPARATUS AND ADJUSTMENT METHOD CAPABLE OF SUPPRESSING OCCURRENCE OF DIFFERENCE IN AMOUNT OF VARIATION IN IMAGE QUALITY OF OUTPUT IMAGE AMONG PLURALITY OF IMAGE FORMING SPEEDS WITH SIMPLE CONTROL Non-Final OA KYOCERA Document Solutions Inc.
19176636 IMAGE FORMING APPARATUS CAPABLE OF DETERMINING WHETHER OR NOT TO-BE-TRANSFERRED TONER IMAGE WILL STICK OUT FROM CONTACT AREA OF IMAGE-CARRYING MEMBER WITH SHEET, AND DETERMINATION METHOD Final Rejection KYOCERA Document Solutions Inc.
19188012 HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS Non-Final OA RICOH COMPANY, LTD.

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Frequently Asked Questions

What is examiner Carla J Therrien's allowance rate?

87.0% of resolved applications examined by Carla J Therrien were allowed (663 resolved cases), compared with 78.8% across Art Unit 2852 over the last five years.

Does an interview help with examiner Carla J Therrien?

This examiner's interview lift is +4.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Carla J Therrien take to allow a patent?

Applications allowed by Carla J Therrien took 534 days on average from filing to allowance.

Which art unit does examiner Carla J Therrien work in?

Carla J Therrien examines applications in Art Unit 2852 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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