Prosecution Insights
Last updated: October 27, 2026

Carolyn Louise Ladd, USPTO Patent Examiner

Listed by the USPTO as LADD, CAROLYN LOUISE

Tech Center 1600 • Art Units: 1622 1629

This examiner grants 59% of resolved cases

Analysis

LADD, CAROLYN LOUISE works in tech center 1600 and art unit 1622. The profile covers 87 resolved cases, with an allowance rate of 58.6% and a median of 1307 days to allowance. The interview lift is 47.1%, indicating a positive association between interviews and allowance outcomes in the reported cases.

The listed companies are Tango Therapeutics Inc., Novartis AG, and University of Basel. The listed firms include GOODWIN PROCTER LLP, ArentFox Schiff, LLP & DFCI, and Clark+Elbing LLP - Revolution Medicines, Inc. The interview measure supports considering direct examiner engagement in prosecution planning.

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

Performance Statistics

58.6%
Allow Rate
-1.4% vs TC avg
111
Total Applications
+47.1%
Interview Lift
1307
Avg Prosecution Days
Based on 87 resolved cases, 2023–2026

Rejection Statute Breakdown

2.0%
§101 Eligibility
22.3%
§102 Novelty
25.9%
§103 Obviousness
34.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18730975 RIBOCICLIB PHARMACEUTICAL COMPOSITIONS Non-Final OA Novartis AG
17621057 HCK DEGRADERS AND USES THEREOF Final Rejection DANA-FARBER CANCER INSTITUTE, INC.
18833468 COMPOUNDS AND METHODS OF USE Non-Final OA Tango Therapeutics, Inc.
18833315 COMPOUNDS AND METHODS OF USE Non-Final OA Tango Therapeutics, Inc.

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Frequently Asked Questions

What is examiner Carolyn Louise Ladd's allowance rate?

58.6% of resolved applications examined by Carolyn Louise Ladd were allowed (87 resolved cases), compared with 60.6% across Art Unit 1622 over the last five years.

Does an interview help with examiner Carolyn Louise Ladd?

This examiner's interview lift is +47.1 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 Louise Ladd take to allow a patent?

Applications allowed by Carolyn Louise Ladd took 1,307 days on average from filing to allowance.

Which art unit does examiner Carolyn Louise Ladd work in?

Carolyn Louise Ladd examines applications in Art Unit 1622 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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