Last updated: July 10, 2026

Application No. 19/541,472

Untitled Application

Unknown

Filed

Priority

Mar 10, 2022 — provisional 63/318,670 +2 more

Examiner

COLEMAN, BRENDA LIBBY

Art Unit

Tech Center

Arena Pharmaceuticals, Inc.

Assignee

Pfizer Inc.

OA Round

1 (Non-Final)

Interview Optional

— +15.6% interview lift. Examiner has a relatively high allowance rate (75%); +15.6% interview lift. A written response may suffice.

Based on 1627 resolved cases, 2023–2026

Examiner Intelligence

COLEMAN, BRENDA LIBBY View full profile →

Grants 75% — above average

Career Allowance Rate

1215 granted / 1627 resolved

+14.7% vs TC avg

Strong +16% interview lift

Without

With

+15.6%

Interview Lift

resolved cases with interview

Typical timeline

2y 5m

Avg Prosecution

46 currently pending

Career history

1663

Total Applications

across all art units

Statute-Specific Performance

§101

2.7%

-37.3% vs TC avg

§103

9.8%

-30.2% vs TC avg

§102

12.5%

-27.5% vs TC avg

§112

49.7%

+9.7% vs TC avg

Black line = Tech Center average estimate • Based on career data from 1627 resolved cases

Prosecution Timeline

Apr 20, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/250,893

Patent 12661343

COMPOSITIONS CONTAINING NICOTINAMIDE AND VITAMIN B6 AND METHODS OF USING SUCH COMPOSITIONS FOR PROMOTING MUSCLE GROWTH

3y 1m to grant Granted Jun 23, 2026

17/262,379

Patent 12655107

OXYNITIDINE DERIVATIVES USEFUL AS INHIBITORS OF TOPOISOMERASE IB (TOP1) AND TYROSYL-DNA PHOSPHODIESTERASE 1 (TDP1)

5y 4m to grant Granted Jun 16, 2026

17/908,531

Patent 12648986

PLD FOR USE IN COMBINATION IN THE TREATMENT OF CORONAVIRUS

3y 9m to grant Granted Jun 09, 2026

18/062,896

Patent 12643890

SUBSTITUTED AMINO-PYRIMIDINES

3y 5m to grant Granted Jun 02, 2026

17/766,520

Patent 12637463

TRICYCLIC KINASE INHIBITORS AND USES THEREOF

4y 1m to grant Granted May 26, 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

75%

Grant Probability

90%

With Interview (+15.6%)

2y 5m

Median Time to Grant

Low

PTA Risk

Based on 1627 resolved cases by this examiner. Grant probability derived from career allowance rate.