Prosecution Insights
Last updated: August 02, 2026
Application No. 18/443,341

FLUID DEVICE

Non-Final OA
Filed
Feb 16, 2024
Priority
Feb 17, 2023 — JP 2023-023227
Examiner
NORRIS, CLAIRE A
Art Unit
1779
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Seiko Epson Corporation
OA Round
1 (Non-Final)
66%
Grant Probability
Favorable
1-2
OA Rounds
4m
Est. Remaining
94%
With Interview

Examiner Intelligence

Grants 66% — above average
66%
Career Allowance Rate
555 granted / 845 resolved
+0.7% vs TC avg
Strong +28% interview lift
Without
With
+28.1%
Interview Lift
resolved cases with interview
Typical timeline
2y 10m
Avg Prosecution
57 currently pending
Career history
882
Total Applications
across all art units

Statute-Specific Performance

§101
0.2%
-39.8% vs TC avg
§103
81.8%
+41.8% vs TC avg
§102
2.5%
-37.5% vs TC avg
§112
12.7%
-27.3% vs TC avg
Black line = Tech Center average estimate • Based on career data from 845 resolved cases

Prosecution Timeline

Feb 16, 2024
Application Filed
Apr 23, 2026
Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12692181
SYSTEMS AND METHODS FOR CONTROLLING NITROUS OXIDE PRODUCTION IN WASTEWATER TREATMENT FACILITIES
3y 7m to grant Granted Jul 28, 2026
Patent 12686964
A FILTER UNIT FOR FILTERING MICROPARTICLES AND A FILTER CAGE FOR USE IN A FILTER UNIT
2y 8m to grant Granted Jul 21, 2026
Patent 12686625
Simultaneous Nitritation and Denitritation System
3y 2m to grant Granted Jul 21, 2026
Patent 12687528
AUTOMATIC ANALYZER INCLUDING HPLC AND CONTROL METHOD FOR THE SAME
2y 9m to grant Granted Jul 21, 2026
Patent 12674784
CATION CHROMATOGRAPHY USING PREDICTED ELUTION BUFFER SALT CONCENTRATION
4y 4m to grant Granted Jul 07, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

Strategy Recommendation AI-generated — please review before filing

Get a prosecution strategy drawn from examiner precedents, rejection analysis, and claim mapping.
Typically takes 5-10 seconds — AI-generated, attorney review required before filing

Prosecution Projections

1-2
Expected OA Rounds
66%
Grant Probability
94%
With Interview (+28.1%)
2y 10m (~4m remaining)
Median Time to Grant
Low
PTA Risk
Based on 845 resolved cases by this examiner. Grant probability derived from career allowance rate.

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month