Prosecution Insights
Last updated: October 04, 2026

Keisen Associates

Technology area: Biotechnology & Pharmaceuticals

6 pending office actions • 6 clients • 6 examiners • 1 art unit • 0 of 6 (0%) have an AI response strategy ready • 11 patents granted in the last 365 days

Analysis

Keisen Associates operates in the Biotechnology & Pharmaceuticals sector, with 279 career applications. The firm has a resolved allowance rate pct of 88.56. There are 2 pending office actions currently being handled. In the field of Biotechnology & Pharmaceuticals, an 88.56 resolved allowance rate pct is an indicator of the firm's effectiveness. The 2 pending office actions are fewer than the 279 career applications.

The firm averages 2.25 office actions per allowance. This indicates a streamlined prosecution process for the 279 applications it has managed. The 2.25 avg office actions per allowance suggests that the firm often reaches a resolution through its prosecution strategy. This efficiency, combined with the 88.56 resolved allowance rate pct, highlights the firm's approach in its technology area. Practitioners can use these figures to understand the typical path to allowance.

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

Quality Metrics (n=279 apps, methodology: how we score firms)

88.6%
Allowance Rate
n=279
+0.50σ
Allowance Rate (norm)
n=279
2.2
OAs to Allowance
n=209
-0.73σ
OAs to Allow (norm)
n=209
975 days
Time to Allowance
n=209
+5.2pp
Interview Lift
n=279
13.6%
RCE Rate
n=279
0.7%
Appeal Rate
n=279

Rejection Performance (% of received rejections ultimately overcome)

70.4%
§101 Overcome
n=27
79.4%
§102 Overcome
n=63
76.2%
§103 Overcome
n=109
80.0%
§112 Overcome
n=115

Specialization & Scale

G06F, A61B, Y10T
Top CPC Subclasses
12%
Top-3 CPC Share
n=279
2
Practitioners
n=279
139.5
Apps / Practitioner
n=279

Portfolio Summary

6
Total Pending OAs
4
Non-Final OAs
1
Final Rejections
1
Advisory / Quayle

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.

5
Hard (83%)
1
Medium (17%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other2 (33%)
§103 only1 (17%)
Multi-statute (no §101)3 (50%)

Industry Mix

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

1
Life Sciences
17% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
5
Business / Other
83% 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.

60 h
Manual time on pending OAs
12 h
Time saved (low, 20%)
21 h
Time saved (mid, 35%)
0.5 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
HAGOPIAN, CASEY SHEA 1 54.4% +33.3%
GARCIA, SANTIAGO 1 87.9% +13.6%
AFREMOVA, VERA 1 50.5% +29.1%
COCHRAN, KARI LEE 1 100.0% +0.0%
NERANGIS, VICKEY M 1 56.6% +29.0%
IANNUZO, NATALIE NMN 1 12.5% +71.4%

Hard Cases (5)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 5 ordered by deadline are shown.

App #TitleExaminerDue in
18867537 Formulation of lecithin-modified calcium phosphate nanoparticles with an enhanced cellar uptake as a carrier for bisphosphonates and a method of preparing thereof HAGOPIAN, CASEY SHEA —
18843172 A METHOD OF DETECTION OF A LANDMARK IN A VOLUME OF MEDICAL IMAGES GARCIA, SANTIAGO —
18726183 FUNCTIONAL FOOD CONTAINING BONITO-DERIVED EXTRACT FOR PREVENTING OR AMELIORATING NEUROPSYCHIATRIC DISORDERS AFREMOVA, VERA —
18719380 Porous-Based Bone Replacement Materials Formed By Triply Periodic Minimal Surface Structure COCHRAN, KARI LEE —
18259882 A METHOD OF OBTAINING A PREPARATION BASED ON OLIGOGALACTURONIDES AND THE USE THEREOF IN AGRICULTURE IANNUZO, NATALIE NMN —

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
18867537 Formulation of lecithin-modified calcium phosphate nanoparticles with an enhanced cellar uptake as a carrier for bisphosphonates and a method of preparing thereof HAGOPIAN, CASEY SHEA —
18843172 A METHOD OF DETECTION OF A LANDMARK IN A VOLUME OF MEDICAL IMAGES GARCIA, SANTIAGO —
18726183 FUNCTIONAL FOOD CONTAINING BONITO-DERIVED EXTRACT FOR PREVENTING OR AMELIORATING NEUROPSYCHIATRIC DISORDERS AFREMOVA, VERA —
18579153 A METHOD FOR PREPARING HYALURONIC ACID GRAFTED POLY(N-ISOPROPYLACRYLAMIDE) (HA-G-PNI-PAM) NERANGIS, VICKEY M —
18259882 A METHOD OF OBTAINING A PREPARATION BASED ON OLIGOGALACTURONIDES AND THE USE THEREOF IN AGRICULTURE IANNUZO, NATALIE NMN —

Client Portfolio (6 clients)

Top Art Units

Art UnitApps
16531

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
18867537 Formulation of lecithin-modified calcium phosphate nanoparticles with an enhanced cellar uptake as a carrier for bisphosphonates and a method of preparing thereof Politechnika Warszawska HAGOPIAN, CASEY SHEA §103§112 Non-Final OA — Pending Nov 20, 2024
18843172 A METHOD OF DETECTION OF A LANDMARK IN A VOLUME OF MEDICAL IMAGES Hemolens Diagnostics Spólka Z Ograniczona Odpowiedzialnoscia GARCIA, SANTIAGO §101§103 Non-Final OA — Pending Aug 30, 2024
18726183 FUNCTIONAL FOOD CONTAINING BONITO-DERIVED EXTRACT FOR PREVENTING OR AMELIORATING NEUROPSYCHIATRIC DISORDERS Nippon Medical School Foundation AFREMOVA, VERA §101§102§103 Final Rejection — Pending Jul 02, 2024
18719380 Porous-Based Bone Replacement Materials Formed By Triply Periodic Minimal Surface Structure Patcharapit Promoppatum COCHRAN, KARI LEE §103§112 Non-Final OA — Pending Jun 13, 2024
18579153 A METHOD FOR PREPARING HYALURONIC ACID GRAFTED POLY(N-ISOPROPYLACRYLAMIDE) (HA-G-PNI-PAM) Nabsolute Company Limited NERANGIS, VICKEY M §103 Non-Final OA — Pending Jan 12, 2024
18259882 A METHOD OF OBTAINING A PREPARATION BASED ON OLIGOGALACTURONIDES AND THE USE THEREOF IN AGRICULTURE Intermag Sp. Z O.O. IANNUZO, NATALIE NMN 1653 §103§112 Non-Final OA — Pending Jun 29, 2023

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