Prosecution Insights
Last updated: May 29, 2026
Application No. 17/754,924

MACROCYCLIC AND CAGE-LIKE MOLECULE BASED ON BIPHEN[n]ARENE AND DERIVATIVE, SYNTHESIS METHOD AND USE THEREOF

Final Rejection
Filed
Apr 15, 2022
Priority
Oct 15, 2019 — CN 201910975631.8 +1 more
Examiner
YOO, SUN JAE
Art Unit
1621
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Tianjin Normal University
OA Round
2 (Final)
71%
Grant Probability
Favorable
3-4
OA Rounds
0m
Est. Remaining
71%
With Interview

Examiner Intelligence

Grants 71% — above average
71%
Career Allowance Rate
871 granted / 1227 resolved
+11.0% vs TC avg
Minimal +0% lift
Without
With
+0.0%
Interview Lift
resolved cases with interview
Typical timeline
2y 8m
Avg Prosecution
97 currently pending
Career history
1279
Total Applications
across all art units

Statute-Specific Performance

§101
0.7%
-39.3% vs TC avg
§103
20.1%
-19.9% vs TC avg
§102
27.4%
-12.6% vs TC avg
§112
24.1%
-15.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1227 resolved cases

Prosecution Timeline

Apr 15, 2022
Application Filed
Sep 18, 2025
Non-Final Rejection mailed
Dec 17, 2025
Response Filed
Apr 01, 2026
Final Rejection mailed
May 21, 2026
Applicant Interview (Telephonic)
May 21, 2026
Examiner Interview Summary

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12637455
NAPHTHYRIDINE AND PYRIDO[3,4-c]PYRIDAZINE DERIVATIVES AS GABAA ALPHA 5 RECEPTOR MODULATORS
3y 8m to grant Granted May 26, 2026
Patent 12636280
Therapeutic Tyrosine Kinase Inhibitors for Relapsing Multiple Sclerosis (RMS)
2y 2m to grant Granted May 26, 2026
Patent 12635400
ORGANOMETALLIC COMPOUND AND APPLICATION THEREOF
2y 6m to grant Granted May 19, 2026
Patent 12623997
Non-Coordinating Anion Activators Containing a Cation with Long Chain Alkoxy Functionalization
4y 0m to grant Granted May 12, 2026
Patent 12612377
PROCESS FOR PREPARING AMINOFURANES
3y 3m to grant Granted Apr 28, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

3-4
Expected OA Rounds
71%
Grant Probability
71%
With Interview (+0.0%)
2y 8m (~0m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 1227 resolved cases by this examiner. Grant probability derived from career allowance rate.

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