Prosecution Insights
Last updated: May 29, 2026
Application No. 17/998,592

STABILIZED CORONAVIRUS SPIKE PROTEIN FUSION PROTEINS

Non-Final OA
Filed
Nov 11, 2022
Priority
May 11, 2020 — provisional 63/022,776 +2 more
Examiner
WANG, RUIXUE
Art Unit
1672
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Janssen Pharmaceuticals Inc.
OA Round
1 (Non-Final)
58%
Grant Probability
Moderate
1-2
OA Rounds
0m
Est. Remaining
81%
With Interview

Examiner Intelligence

Grants 58% of resolved cases
58%
Career Allowance Rate
57 granted / 99 resolved
-2.4% vs TC avg
Strong +23% interview lift
Without
With
+23.2%
Interview Lift
resolved cases with interview
Typical timeline
3y 3m
Avg Prosecution
45 currently pending
Career history
164
Total Applications
across all art units

Statute-Specific Performance

§101
1.9%
-38.1% vs TC avg
§103
76.7%
+36.7% vs TC avg
§102
5.4%
-34.6% vs TC avg
§112
12.3%
-27.7% vs TC avg
Black line = Tech Center average estimate • Based on career data from 99 resolved cases

Prosecution Timeline

Nov 11, 2022
Application Filed
Sep 09, 2025
Non-Final Rejection mailed
Apr 21, 2026
Response after Non-Final Action

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12637704
COMPOSITION AND METHOD FOR IMPROVING DETECTION OF BIOMOLECULES IN BIOFLUID SAMPLES
4y 2m to grant Granted May 26, 2026
Patent 12577589
VACCINES AND USES THEREOF TO INDUCE AN IMMUNE RESPONSE TO SARS-COV2
3y 7m to grant Granted Mar 17, 2026
Patent 12576119
BACTERIOPHAGE COMPOSITIONS AND METHODS FOR TREATMENT OF BACTERIAL INFECTIONS
11m to grant Granted Mar 17, 2026
Patent 12570963
GENE THERAPIES FOR LYSOSOMAL DISORDERS
2y 11m to grant Granted Mar 10, 2026
Patent 12553893
MULTIPLEX COMPETITION ASSAY FOR PROFILING BINDING EPITOPES OF AFFINITY AGENTS FOR CLINICAL DIAGNOSTICS USE
4y 4m to grant Granted Feb 17, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

Strategy Recommendation AI-generated — please review before filing

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Prosecution Projections

1-2
Expected OA Rounds
58%
Grant Probability
81%
With Interview (+23.2%)
3y 3m (~0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 99 resolved cases by this examiner. Grant probability derived from career allowance rate.

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