Last updated: July 05, 2026

Application No. 18/727,019

POLYIMIDAZOLIUM-BASED CATIONIC ANTIMICROBIAL POLYMERS FOR NOVEL MASTITIS PROPHYLACTIC SOLUTIONS

Non-Final OA

Filed

Jul 05, 2024

Priority

Jan 06, 2022 — provisional 63/266,477 +1 more

Examiner

HOLLOMAN, NANNETTE

Art Unit

1612

Tech Center

1600 — Biotechnology & Organic Chemistry

Assignee

Massachusetts Institute of Technology

OA Round

1 (Non-Final)

This examiner grants 61% of cases after interview

— +22.9% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 788 resolved cases, 2023–2026

Examiner Intelligence

HOLLOMAN, NANNETTE View full profile →

Grants 61% of resolved cases

Career Allowance Rate

478 granted / 788 resolved

+0.7% vs TC avg

Strong +23% interview lift

Without

With

+22.9%

Interview Lift

resolved cases with interview

Typical timeline

3y 0m

Avg Prosecution

26 currently pending

Career history

808

Total Applications

across all art units

Statute-Specific Performance

§101

0.6%

-39.4% vs TC avg

§103

81.5%

+41.5% vs TC avg

§102

8.6%

-31.4% vs TC avg

§112

0.7%

-39.3% vs TC avg

Black line = Tech Center average estimate • Based on career data from 788 resolved cases

Prosecution Timeline

Jul 05, 2024

Application Filed

Apr 07, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/785,697

Patent 12653765

SUNSCREEN COSMETIC

4y 0m to grant Granted Jun 16, 2026

18/694,772

Patent 12653771

COMPOSITION FOR REMEDYING INGROWN (TOE)NAIL

2y 2m to grant Granted Jun 16, 2026

18/256,149

Patent 12636243

INCREASED SOLUBILIZATION OF ISCOTRIZINOL

2y 11m to grant Granted May 26, 2026

18/256,336

Patent 12636242

INCREASED SOLUBILIZATION OF DIETHYLAMINO HYDROXYBENZOYL HEXYL BENZOATE

2y 11m to grant Granted May 26, 2026

18/255,536

Patent 12629330

POLYMER CARBON NITRIDE, SPECIFIC CRYSTAL FORM OF SAID POLYMER CARBON NITRIDE, AND ULTRAVIOLET RAY-BLOCKING USE THEREOF

2y 11m to grant Granted May 19, 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

61%

Grant Probability

84%

With Interview (+22.9%)

3y 0m (~1y 0m remaining)

Median Time to Grant

Low

PTA Risk

Based on 788 resolved cases by this examiner. Grant probability derived from career allowance rate.