Prosecution Insights
Last updated: October 04, 2026

Snf Group

Technology areas: Biotechnology & Pharmaceuticals • Chemistry & Materials

5 pending office actions • 3 art units • 5 examiners • 0 of 5 (0%) have an AI response strategy ready • 9 patents granted in the last 365 days

Analysis

Snf Group currently faces 5 pending office actions within the Chemistry & Materials technology area. These matters are assigned to 5 distinct examiners, meaning that every pending action is under the review of a different official. Despite this variety in personnel, the cases are concentrated within 3 distinct art units. This suggests that while the technical subject matter is focused enough to fall within a limited number of art units, the individual applications are being scrutinized by a group of 5 examiners.

The busiest examiner for the portfolio is LEE, DORIS L, who is responsible for 1 pending office action. Given that there are 5 pending actions and 5 distinct examiners, each examiner, including LEE, DORIS L, is currently handling 1 pending action. This distribution indicates a lack of examiner-specific concentration, requiring the applicant to adapt to 5 different examination styles. The presence of 5 pending actions across 3 art units highlights a diverse but technically related set of applications within the Chemistry & Materials field.

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

Portfolio Summary

5
Total Pending OAs
2
Non-Final OAs
3
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.

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

Rejection Statute Mix

BucketCases
§103 only2 (40%)
Multi-statute (no §101)3 (60%)

Industry Mix

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

3
Life Sciences
60% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
2
Business / Other
40% 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
LEE, DORIS L 1 58.7% +8.8%
RAGHU, GANAPATHIRAM 1 73.6% +26.4%
TUCKER, PHILIP C 1 24.6% +18.7%
TESKIN, FRED M 1 89.6% +8.0%
XU, JIANGTIAN 1 65.3% +35.8%

Hard Cases (4)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 4 ordered by deadline are shown.

App #TitleExaminerDue in
18255283 MULTI-PHASE SUSPENSION OF A WATER-SOLUBLE POLYMER XU, JIANGTIAN 3d overdue
18565662 BIO-SOURCED CATIONIC HIGH CHARGE DENSITY POLYMER LEE, DORIS L —
18562598 METHOD FOR OBTAINING BIO-SOURCED (METH)ALLYLSULFONATE ALKALI SALT TUCKER, PHILIP C —
18562722 METHOD FOR OBTAINING A BIO-SOURCED-MONOMER FROM RENEWABLE DIMETHYLAMINOETHANOL TESKIN, FRED M —

Interview Candidates (3)

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 3 ordered by deadline are shown.

App #TitleExaminerDue in
18255283 MULTI-PHASE SUSPENSION OF A WATER-SOLUBLE POLYMER XU, JIANGTIAN 3d overdue
18562742 METHOD FOR OBTAINING BIO-SOURCED SUSBTITUTED ALKYL(METH)ACRYLAMIDE RAGHU, GANAPATHIRAM —
18562598 METHOD FOR OBTAINING BIO-SOURCED (METH)ALLYLSULFONATE ALKALI SALT TUCKER, PHILIP C —

Top Art Units

Art UnitApps
1652 1
1745 1
1762 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18565662 BIO-SOURCED CATIONIC HIGH CHARGE DENSITY POLYMER LEE, DORIS L — §102§103§112 Non-Final OA — Pending Nov 30, 2023
18562742 METHOD FOR OBTAINING BIO-SOURCED SUSBTITUTED ALKYL(METH)ACRYLAMIDE RAGHU, GANAPATHIRAM 1652 §103 Final Rejection — Pending Nov 20, 2023
18562598 METHOD FOR OBTAINING BIO-SOURCED (METH)ALLYLSULFONATE ALKALI SALT TUCKER, PHILIP C 1745 §103 Final Rejection — Pending Nov 20, 2023
18562722 METHOD FOR OBTAINING A BIO-SOURCED-MONOMER FROM RENEWABLE DIMETHYLAMINOETHANOL TESKIN, FRED M — §102§103§112 Non-Final OA — Pending Nov 20, 2023
18255283 MULTI-PHASE SUSPENSION OF A WATER-SOLUBLE POLYMER XU, JIANGTIAN 1762 §103§112 Final Rejection 3d overdue Pending May 31, 2023

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