Prosecution Insights
Last updated: August 06, 2026
Application No. 18/285,918

PERFORMANCE-ENHANCING EXCIPIENTS AND METHODS OF REDUCING VISCOSITY AND INCREASING STABILITY OF BIOLOGIC FORMULATIONS

Non-Final OA
Filed
Oct 06, 2023
Priority
Apr 09, 2021 — provisional 63/173,055 +1 more
Examiner
TRUONG, QUANGLONG N
Art Unit
1615
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Avantor Performance Materials, LLC
OA Round
2 (Non-Final)
79%
Grant Probability
Favorable
2-3
OA Rounds
0m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 79% — above average
79%
Career Allowance Rate
509 granted / 646 resolved
+18.8% vs TC avg
Strong +24% interview lift
Without
With
+23.5%
Interview Lift
resolved cases with interview
Typical timeline
2y 2m
Avg Prosecution
48 currently pending
Career history
683
Total Applications
across all art units

Statute-Specific Performance

§101
4.1%
-35.9% vs TC avg
§103
55.1%
+15.1% vs TC avg
§102
11.3%
-28.7% vs TC avg
§112
18.4%
-21.6% vs TC avg
Black line = Tech Center average estimate • Based on career data from 646 resolved cases

Prosecution Timeline

Oct 06, 2023
Application Filed
Oct 31, 2025
Non-Final Rejection mailed
Apr 30, 2026
Response Filed
Jul 27, 2026
Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12691055
INCRETIN ANALOG-CONTAINING COMPOSITIONS AND USES THEREOF
2y 10m to grant Granted Jul 28, 2026
Patent 12678387
COMPOSITION FOR ALLEVIATING HAIR LOSS OR PROMOTING HAIR GROWTH
3y 11m to grant Granted Jul 14, 2026
Patent 12678411
Nanoformulations of Pazopanib, Compositions Comprising the Same and Methods of Treating Osteoarthritis
2y 7m to grant Granted Jul 14, 2026
Patent 12673017
ULTRA-MILD, CONCENTRATED AND SELF-PRESERVING CLEANSING COMPOSITIONS FOR PERSONAL CARE
2y 10m to grant Granted Jul 07, 2026
Patent 12673023
MEDICINE CONTAINER COMPRISING LIQUID PHARMACEUTICAL COMPOSITION OF 1-(5-(2,4-DIFLUOROPHENYL)-1-((3-FLUOROPHENYL)SULFONYL)-4-METHOXY-1H-PYRROL-3-YL)-N-METHYLMETHANAMINE
2y 7m to grant Granted Jul 07, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

2-3
Expected OA Rounds
79%
Grant Probability
99%
With Interview (+23.5%)
2y 2m (~0m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 646 resolved cases by this examiner. Grant probability derived from career allowance rate.

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