USPTO Examiner DOAN HY KHANH - Art Unit 3791

Examiner DOAN, HY KHANH - Prosecution Strategy Guide

Executive Summary

Examiner DOAN, HY KHANH works in Art Unit 3791 and has examined 12 patent applications in our dataset. With an allowance rate of 83.3%, this examiner has an above-average tendency to allow applications. Applications typically reach final disposition in approximately 42 months.

Allowance Patterns

Examiner DOAN, HY KHANH's allowance rate of 83.3% places them in the 57% percentile among all USPTO examiners. This examiner has an above-average tendency to allow applications.

Office Action Patterns

On average, applications examined by DOAN, HY KHANH receive 1.00 office actions before reaching final disposition. This places the examiner in the 9% percentile for office actions issued. This examiner issues significantly fewer office actions than most examiners.

Prosecution Timeline

The median time to disposition (half-life) for applications examined by DOAN, HY KHANH is 42 months. This places the examiner in the 20% percentile for prosecution speed. Applications take longer to reach final disposition with this examiner compared to most others.

Interview Effectiveness

Conducting an examiner interview provides a +18.2% benefit to allowance rate for applications examined by DOAN, HY KHANH. This interview benefit is in the 60% percentile among all examiners. Recommendation: Interviews provide an above-average benefit with this examiner and are worth considering.

Request for Continued Examination (RCE) Effectiveness

When applicants file an RCE with this examiner, 16.7% of applications are subsequently allowed. This success rate is in the 14% percentile among all examiners. Strategic Insight: RCEs show lower effectiveness with this examiner compared to others. Consider whether a continuation application might be more strategic, especially if you need to add new matter or significantly broaden claims.

After-Final Amendment Practice

This examiner enters after-final amendments leading to allowance in 0.0% of cases where such amendments are filed. This entry rate is in the 4% percentile among all examiners. Strategic Recommendation: This examiner rarely enters after-final amendments compared to other examiners. You should generally plan to file an RCE or appeal rather than relying on after-final amendment entry. Per MPEP § 714.12, primary examiners have discretion in entering after-final amendments, and this examiner exercises that discretion conservatively.

Petition Practice

When applicants file petitions regarding this examiner's actions, 0.0% are granted (fully or in part). This grant rate is in the 7% percentile among all examiners. Strategic Note: Petitions are rarely granted regarding this examiner's actions compared to other examiners. Ensure you have a strong procedural basis before filing a petition, as the Technology Center Director typically upholds this examiner's decisions.

Examiner Cooperation and Flexibility

Examiner's Amendments: This examiner makes examiner's amendments in 0.0% of allowed cases (in the 47% percentile). This examiner makes examiner's amendments less often than average. You may need to make most claim amendments yourself.

Quayle Actions: This examiner issues Ex Parte Quayle actions in 0.0% of allowed cases (in the 49% percentile). This examiner issues Quayle actions less often than average. Allowances may come directly without a separate action for formal matters.

Prosecution Strategy Recommendations

Relevant MPEP Sections for Prosecution Strategy

• MPEP § 713.10: Examiner interviews - available before Notice of Allowance or transfer to PTAB
• MPEP § 714.12: After-final amendments - may be entered "under justifiable circumstances"
• MPEP § 1002.02(c): Petitionable matters to Technology Center Director
• MPEP § 1004: Actions requiring primary examiner signature (allowances, final rejections, examiner's answers)
• MPEP § 1207.01: Appeal conferences - mandatory for all appeals
• MPEP § 1214.07: Reopening prosecution after appeal