Prosecution Insights
Last updated: October 27, 2026

Peter N. Johansen, USPTO Patent Examiner

Listed by the USPTO as JOHANSEN, PETER N.

Tech Center 1600 • Art Units: 1641 1642 1644 1658 1671

This examiner grants 60% of resolved cases

Analysis

JOHANSEN, PETER N. is assigned to USPTO Tech Center 1600 and Art Unit 1641. The profile records 228 resolved cases, with a 59.6% allowance rate and a median of 1221 days to allowance. Interview lift is 24.4%, indicating a measurable association between interviews and outcomes in the recorded cases.

The listed companies are Hoffmann-La Roche Inc., Amazon Technologies Inc., and The Board of Trustees of the Leland Stanford Junior University. The associated firms are Leason Ellis LLP, FOLEY HOAG, LLP (General), and MARSHALL, GERSTEIN & BORUN LLP. Practitioners should plan written responses and interviews as complementary tools.

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

Performance Statistics

59.6%
Allow Rate
At TC average
287
Total Applications
+24.4%
Interview Lift
1221
Avg Prosecution Days
Based on 228 resolved cases, 2023–2026

Rejection Statute Breakdown

4.0%
§101 Eligibility
14.0%
§102 Novelty
39.7%
§103 Obviousness
24.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19667436 COMPOSITIONS AND METHODS FOR TREATING MULTIPLE SCLEROSIS Non-Final OA Hoffmann-La Roche Inc.
18271540 Personalized Longitudinal Analysis of Circulating Material to Monitor and Adapt Neoantigen Cancer Vaccines Final Rejection AMAZON TECHNOLOGIES, INC.
18553523 CLASSIFICATION OF NEUROLOGICAL OR PSYCHIATRIC DISEASE MANIFESTATIONS USING MULTI-DIMENSIONAL CEREBROSPINAL FLUID ANALYSIS Non-Final OA The Regents of the University of California
18512522 MODULATING BONE MORPHOGENIC PROTEIN (BMP) SIGNALING IN THE TREATMENT OF ALZHEIMER'S DISEASE Final Rejection The Board of Trustees of the Leland Stanford Junior University
18229117 Methods of Treating Metastatic Castration-Resistant Prostate Cancer with Bispecific Anti-PSMA x Anti-CD28 Antibodies in Combination with Anti-PD-1 Antibodies Final Rejection Regeneron Pharmaceuticals, Inc.
16863800 METHODS FOR TREATING OR PREVENTING ASTHMA BY ADMINISTERING AN IL-33 ANTAGONIST Final Rejection REGENERON PHARMACEUTICALS, INC.
18285125 MAGEB2 BINDING CONSTRUCTS Non-Final OA Amgen Inc.
18286903 Digital Protein Misfolding Assays Non-Final OA President and Fellows of Harvard College
17310262 METAL CHELATOR COMBINATION THERAPY FOR THE TREATMENT OF CANCER Non-Final OA Board of Regents, The University of Texas System
18146014 COMBINATION OF AN ANTI-PD-L1 ANTIBODY AND A DNA-PK INHIBITOR FOR THE TREATMENT OF CANCER Non-Final OA Pfizer Inc.
17997298 COMPOSITIONS AND METHODS OF ADAMTS13 CHIMERIC AUTOANTIBODY RECEPTOR CELLS Final Rejection THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA
16755590 ANTI-CD45-BASED LYMPHODEPLETION METHODS AND USES THEREOF IN CONJUNCTION WITH ACT-BASED CANCER THERAPIES Non-Final OA Actinium Pharmaceuticals, Inc.

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Frequently Asked Questions

What is examiner Peter N. Johansen's allowance rate?

59.6% of resolved applications examined by Peter N. Johansen were allowed (228 resolved cases), compared with 45.2% across Art Unit 1641 over the last five years.

Does an interview help with examiner Peter N. Johansen?

This examiner's interview lift is +24.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Peter N. Johansen take to allow a patent?

Applications allowed by Peter N. Johansen took 1,221 days on average from filing to allowance.

Which art unit does examiner Peter N. Johansen work in?

Peter N. Johansen examines applications in Art Unit 1641 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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