Prosecution Insights
Last updated: October 25, 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
518 granted / 659 resolved
+18.6% vs TC avg
Strong +23% interview lift
Without
With
+23.3%
Interview Lift
resolved cases with interview
Typical timeline
2y 3m
Avg Prosecution
53 currently pending
Career history
717
Total Applications
across all art units

Statute-Specific Performance

§101
4.2%
-35.8% vs TC avg
§103
55.1%
+15.1% vs TC avg
§102
11.1%
-28.9% vs TC avg
§112
18.4%
-21.6% vs TC avg
Black line = Tech Center average estimate • Based on career data from 659 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 12765545
PREPARATION OF A DRY BIOMASS EXTRACT RICH IN POLYPHENOLS
3y 11m to grant Granted Oct 20, 2026
Patent 12765557
CERIUM OXIDE NANOPARTICLE, DISPERSION SOLUTION, ANTIVIRAL AGENT, ANTIBACTERIAL AGENT, RESIN COMPOSITION, RESIN PRODUCT, FIBER MATERIAL, FIBER PRODUCT, AND METHOD OF PRODUCING CERIUM OXIDE NANOPARTICLE
2y 6m to grant Granted Oct 20, 2026
Patent 12758472
Formulation for treatment of melasma, hyperpigmentation, and dark spots
2y 6m to grant Granted Oct 13, 2026
Patent 12751968
IMPROVEMENT IN PULMONARY ARTERIAL COMPLIANCE WITH INHALED NITRIC OXIDE (iNO) TREATMENT
4y 2m to grant Granted Oct 06, 2026
Patent 12751989
WATER SOLUBLE CURCUMINOIDS COMPOSITION FOR TREATING MOUTH AND THROAT CONDITIONS
3y 9m to grant Granted Oct 06, 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 (+23.3%)
2y 3m (~0m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 659 resolved cases by this examiner. Grant probability derived from career allowance rate.

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