Prosecution Insights
Last updated: October 25, 2026

Greffex Inc.

Technology area: Biotechnology & Pharmaceuticals

5 pending office actions • 5 art units • 5 examiners • 0 of 5 (0%) have an AI response strategy ready

Analysis

Greffex Inc. has 5 pending office actions in Biotechnology & Pharmaceuticals. The matters are distributed across 5 examiners and 5 art units, so the portfolio contains distinct examination environments.

LI, BAO Q is the busiest examiner, with 1 pending matter. Counsel should use matter-specific prosecution strategies and maintain separate tracking for each examiner and art unit.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Portfolio Summary

5
Total Pending OAs
1
Non-Final OAs
4
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 1 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

1
Overdue
0
Due this week
0
Due this month
0
Due in next 60 days
0
Due later

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

2
Hard (40%)
3
Medium (60%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (20%)
§103 only1 (20%)
§102 only1 (20%)
Double-patenting + other1 (20%)
Multi-statute (no §101)1 (20%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

5
Life Sciences
100% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
0
Business / Other
0% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

50 h
Manual time on pending OAs
10 h
Time saved (low, 20%)
18 h
Time saved (mid, 35%)
0.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
LI, BAO Q 1 75.5% +26.7%
XIAO, YAN 1 67.3% +52.7%
SALVOZA, M FRANCO G 1 68.2% +30.6%
GU, QINHUA 1 76.2% +27.1%
SPENCER, ANDREA LYNNE MORRIS 1 20.0% +37.5%

Hard Cases (2)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
17996727 ENGINEERING BROADLY REACTIVE CORONAVIRUS VACCINES AND RELATED DESIGNS AND USES SALVOZA, M FRANCO G —
17758077 CULTURE SYSTEMS FOR THE EFFICIENT PRODUCTION OF GENE TRANSFER VECTORS SPENCER, ANDREA LYNNE MORRIS —

Interview Candidates (5)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 5 ordered by deadline are shown.

App #TitleExaminerDue in
18252790 DESIGN OF OPTIMIZED UNIVERSAL INFLUENZA VACCINES, THEIR DESIGNS AND USES LI, BAO Q 84d overdue
18025684 ANTIBODY CONSTRUCTS TO TARGET T CELL RESPONSES TO SARS-COV PROTEIN EXPRESSING CELLS, THEIR DESIGN AND USES XIAO, YAN —
17996727 ENGINEERING BROADLY REACTIVE CORONAVIRUS VACCINES AND RELATED DESIGNS AND USES SALVOZA, M FRANCO G —
17907571 MAINTAINING DNA FRAGMENTS IN EUKARYOTIC CELLS, APPROACHES AND USES GU, QINHUA —
17758077 CULTURE SYSTEMS FOR THE EFFICIENT PRODUCTION OF GENE TRANSFER VECTORS SPENCER, ANDREA LYNNE MORRIS —

Top Art Units

Art UnitApps
1671 1
1642 1
1672 1
1633 1
1631 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18252790 DESIGN OF OPTIMIZED UNIVERSAL INFLUENZA VACCINES, THEIR DESIGNS AND USES LI, BAO Q 1671 §102 Final Rejection 84d overdue Pending May 12, 2023
18025684 ANTIBODY CONSTRUCTS TO TARGET T CELL RESPONSES TO SARS-COV PROTEIN EXPRESSING CELLS, THEIR DESIGN AND USES XIAO, YAN 1642 §102§103§112DP Non-Final OA — Pending Mar 10, 2023
17996727 ENGINEERING BROADLY REACTIVE CORONAVIRUS VACCINES AND RELATED DESIGNS AND USES SALVOZA, M FRANCO G 1672 §101§102§103§112Other Final Rejection — Pending Oct 20, 2022
17907571 MAINTAINING DNA FRAGMENTS IN EUKARYOTIC CELLS, APPROACHES AND USES GU, QINHUA 1633 §103 Final Rejection — Pending Sep 28, 2022
17758077 CULTURE SYSTEMS FOR THE EFFICIENT PRODUCTION OF GENE TRANSFER VECTORS SPENCER, ANDREA LYNNE MORRIS 1631 §103§112 Final Rejection — Pending Jun 28, 2022

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Frequently Asked Questions

How many pending USPTO office actions does Greffex Inc. have?

Greffex Inc. has 5 pending office actions as of October 2026, spread across 5 art units and 5 examiners.

Which USPTO examiner handles the most Greffex Inc. applications?

Bao Q Li has the most, with 1 of Greffex Inc.'s pending office actions.

What technology area are Greffex Inc.'s patent applications in?

Mostly Biotechnology & Pharmaceuticals (USPTO Tech Center 1600), based on where its pending office actions are examined.

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