Prosecution Insights
Prosecution Insights
Listed by the USPTO as LI, CHANGQING
Tech Center 1700 • Art Units: 1633 1791 1793
This examiner grants 30% of resolved cases
Changqing Li is an examiner in Tech Center 1700, working within Art Unit 1633. The examiner has 314 resolved cases. This volume of work has resulted in an allowance rate pct of 29.3. For practitioners, this allowance rate pct serves as an indicator of the outcome frequency for applications assigned to this docket. The data also reveals an interview lift pct of 33.6. This interview lift pct suggests that conducting an interview is a strategy associated with an increased probability of allowance. Applications that reach a grant do so with a median days to allowance of 1339.
The 1339 median days to allowance provides a timeline for the patent acquisition process. By analyzing the 314 resolved cases, one can see the historical record of practice in Art Unit 1633. The 29.3 allowance rate pct and 33.6 interview lift pct provide metrics for evaluating the prosecution environment. These figures assist in the development of a strategy for patent applications. Understanding these data points is useful for managing expectations and resources during the examination phase.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 15747406 | NON-BLOOM COMESTIBLE PRODUCT | Non-Final OA | Generale Biscuit |
IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.
Build Your Strategy29.5% of resolved applications examined by Changqing Li were allowed (315 resolved cases), compared with 34.7% across Art Unit 1633 over the last five years.
This examiner's interview lift is +33.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.
Applications allowed by Changqing Li took 1,338 days on average from filing to allowance.
Changqing Li examines applications in Art Unit 1633 in Tech Center 1700 (Chemistry & Materials).