Last updated: July 17, 2026

Application No. 17/607,438

METHOD FOR TREATING COUGH BY USING DIAMINOPYRIMIDINE COMPOUND

Final Rejection

Filed

Oct 29, 2021

Priority

Apr 30, 2019 — CN PCT/CN2019/085180 +1 more

Examiner

PECKHAM, RICHARD GRANT

Art Unit

1627

Tech Center

1600 — Biotechnology & Organic Chemistry

Assignee

BEIJING TIDE PHARMACEUTICAL CO., LTD.

OA Round

4 (Final)

Interview Optional

— +35.9% interview lift. Examiner has a relatively high allowance rate (67%); +35.9% interview lift. A written response may suffice.

Based on 128 resolved cases, 2023–2026

Examiner Intelligence

PECKHAM, RICHARD GRANT View full profile →

Grants 67% — above average

Career Allowance Rate

86 granted / 128 resolved

+7.2% vs TC avg

Strong +36% interview lift

Without

With

+35.9%

Interview Lift

resolved cases with interview

Typical timeline

3y 3m

Avg Prosecution

54 currently pending

Career history

179

Total Applications

across all art units

Statute-Specific Performance

§101

2.4%

-37.6% vs TC avg

§103

30.9%

-9.1% vs TC avg

§102

6.1%

-33.9% vs TC avg

§112

13.6%

-26.4% vs TC avg

Black line = Tech Center average estimate • Based on career data from 128 resolved cases

Prosecution Timeline

Show 3 earlier events

Jun 06, 2025

Final Rejection mailed

Nov 06, 2025

Response after Non-Final Action

Dec 08, 2025

Request for Continued Examination

Dec 09, 2025

Response after Non-Final Action

Jan 12, 2026

Non-Final Rejection mailed

May 11, 2026

Response Filed

May 11, 2026

Response after Non-Final Action

Jul 07, 2026

Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/164,044

Patent 12678451

CANNABINOID AND OMEGA FATTY ACID COMPOSITIONS AND METHODS OF USING

3y 5m to grant Granted Jul 14, 2026

17/298,460

Patent 12673022

DRUG DELIVERY SYSTEM USING SOLUTION

5y 1m to grant Granted Jul 07, 2026

17/442,733

Patent 12648936

ISOTHIAZOLIDINE 1,1-DIOXIDE AND 1,4-BUTAN SULTONE CONTAINING RAPAMYCIN DERIVATIVES AND USES THEREOF

4y 8m to grant Granted Jun 09, 2026

17/416,320

Patent 12642794

DOSE REGIMENS FOR USE OF LY3154207 IN THE TREATMENT OF DOPAMINERGIC CNS DISORDERS

4y 11m to grant Granted Jun 02, 2026

17/416,378

Patent 12636290

BET INHIBITORS FOR MODULATING DUX4 EXPRESSION IN FSHD

4y 11m 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

5-6

Expected OA Rounds

67%

Grant Probability

99%

With Interview (+35.9%)

3y 3m (~0m remaining)

Median Time to Grant

High

PTA Risk

Based on 128 resolved cases by this examiner. Grant probability derived from career allowance rate.

METHOD FOR TREATING COUGH BY USING DIAMINOPYRIMIDINE COMPOUND

Interview Optional

Examiner Intelligence

Statute-Specific Performance

Prosecution Timeline

Precedent Cases

Applications granted by this same examiner with similar technology

Strategy Recommendation AI-generated — please review before filing

Prosecution Projections

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