Prosecution Insights
Last updated: October 27, 2026

Karen A Canella, USPTO Patent Examiner

Listed by the USPTO as CANELLA, KAREN A

Tech Center 1600 • Art Units: 1617 1643 1644 1657 1671

This examiner grants 62% of resolved cases

Analysis

CANELLA, KAREN A is assigned to tech center 1600 and art unit 1617. Across 1142 resolved cases, the allowance rate is 62.3% and the interview lift is 32.8%. The median days to allowance are 1272.

The listed companies are Wisconsin Alumni Research Foundation, Regeneron Pharmaceuticals Inc., and Bms. The listed firms are Fox Rothschild LLP, MBHB - WARF, and MH2 Technology Law Grp. The large case volume provides a substantial basis for planning. The positive interview lift is a prominent feature, supporting deliberate interview preparation alongside claim amendments and written arguments.

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

Performance Statistics

62.3%
Allow Rate
+2.3% vs TC avg
1,198
Total Applications
+32.8%
Interview Lift
1272
Avg Prosecution Days
Based on 1142 resolved cases, 2023–2026

Rejection Statute Breakdown

6.7%
§101 Eligibility
16.6%
§102 Novelty
24.2%
§103 Obviousness
33.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17188861 METHODS FOR IDENTIFYING CHIMERIC ANTIGEN RECEPTOR-TARGETING LIGANDS AND USES THEREOF Non-Final OA Massachusetts Institute of Technology
17788993 INDIVIDUALIZED VACCINES FOR CANCER TREATMENT AND PREVENTION Non-Final OA MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH
18345385 Targeted Radiotherapy Chelates for In Situ Immune Modulated Cancer Vaccination Non-Final OA Wisconsin Alumni Research Foundation
18182850 Using Targeted Radiotherapy (TRT) to Drive Anti-Tumor Immune Response to Immunotherapies Non-Final OA Wisconsin Alumni Research Foundation
18297451 TUMOR VACCINATION IN COMBINATION WITH HEMATOPOIETIC CELL TRANSPLANTATION FOR CANCER THERAPY Non-Final OA The Board of Trustees of the Leland Stanford Junior University
18095467 PROTEIN-DRUG CONJUGATES COMPRISING CAMPTOTHECIN ANALOGS AND METHODS OF USE THEREOF Final Rejection Regeneron Pharmaceuticals, Inc.
17356497 TUBULYSINS AND PROTEIN-TUBULYSIN CONJUGATES Final Rejection Regeneron Pharmaceuticals, Inc.
18280197 COMBINATION OF A T CELL THERAPY AND A DGK INHIBITOR Non-Final OA Juno Therapeutics, Inc.
18188380 METHODS AND COMPOSITIONS FOR DOSING IN ADOPTIVE CELL THERAPY Non-Final OA Juno Therapeutics, Inc.
18704120 SUBCUTANEOUS ADMINISTRATION OF CD19-BINDING T CELL ENGAGERS Non-Final OA AMGEN RESEARCH (MUNICH) GMBH
18457588 TGF-B-RECEPTOR ECTODOMAIN FUSION MOLECULES AND USES THEREOF Non-Final OA National Research Council of Canada
18354353 ANTI-CD166 ANTIBODIES, ACTIVATABLE ANTI-CD166 ANTIBODIES, AND METHODS OF USE THEREOF Non-Final OA CytomX Therapeutics, Inc.

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Frequently Asked Questions

What is examiner Karen A Canella's allowance rate?

62.3% of resolved applications examined by Karen A Canella were allowed (1,142 resolved cases), compared with 34.1% across Art Unit 1617 over the last five years.

Does an interview help with examiner Karen A Canella?

This examiner's interview lift is +32.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Karen A Canella take to allow a patent?

Applications allowed by Karen A Canella took 1,272 days on average from filing to allowance.

Which art unit does examiner Karen A Canella work in?

Karen A Canella examines applications in Art Unit 1617 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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