Prosecution Insights
Last updated: October 25, 2026

GENZYME Corporation

Technology area: Biotechnology & Pharmaceuticals

26 pending office actions • 19 art units • 25 examiners • 0 of 26 (0%) have an AI response strategy ready • 48 patents granted in the last 365 days

Analysis

GENZYME Corporation has 29 pending office actions in Biotechnology & Pharmaceuticals. The matters involve 28 distinct examiners across 22 distinct art units, indicating broad examiner coverage with repeated activity in some units.

BRETZ, COREY LANE is the busiest listed examiner, with 2 pending matters. The limited concentration means the portfolio requires coordination across many examination relationships. Art-unit grouping can provide structure, but each response should remain tied to its assigned examiner and application.

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

Portfolio Summary

26
Total Pending OAs
13
Non-Final OAs
12
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 10 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

3
Overdue
0
Due this week
3
Due this month
4
Due in next 60 days
0
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 10 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (3)Due ≤ 30 days (3)Due ≤ 60 days (4)

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.

8
Hard (31%)
12
Medium (46%)
5
Easy (19%)
1
Unknown (4%)

Rejection Statute Mix

BucketCases
§101 + other5 (19%)
§103 only9 (35%)
§102 only1 (4%)
§112 only5 (19%)
Double-patenting + other2 (8%)
Multi-statute (no §101)3 (12%)
No statute on record1 (4%)

Industry Mix

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

24
Life Sciences
92% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
2
Mechanical / Eng
8% 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.

260 h
Manual time on pending OAs
52 h
Time saved (low, 20%)
91 h
Time saved (mid, 35%)
2.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
BRETZ, COREY LANE 2 0.0% +0.0%
PATEL, JAY M 1 65.0% +39.6%
TIEDEMAN, JASON S 1 28.5% +34.9%
GILL, RACHEL B 1 65.4% +28.8%
VAN BUREN, LAUREN K 1 40.0% +58.4%
MIDDLETON, DANAYA L 1 49.5% +48.8%
JACKSON III, WALTER 1 50.0% +0.0%
HEASLEY, MEGHAN CHRISTINE 1 74.5% +36.3%
HANEY, AMANDA MARIE 1 36.5% +45.0%
LI, BAO Q 1 75.5% +26.7%

Hard Cases (8)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
14004377 PEGYLATED APELIN AND USES THEREOF KOMATSU, LI N 44d overdue
18296283 TARGETED GENE THERAPY FOR DM-1 MYOTONIC DYSTROPHY BRETZ, COREY LANE 56d
19481938 PREDICTING MOTOR FUNCTION SCORES IN POMPE DISEASE TREATMENT PATEL, JAY M —
19128502 Machine Learning Systems and Methods to Identify Locations of Potential Patients and/or Healthcare Providers TIEDEMAN, JASON S —
18648199 METHODS OF IMPROVING RAAV PRODUCTION VAN BUREN, LAUREN K —
18626784 TARGETED GENE THERAPY FOR DM-1 MYOTONIC DYSTROPHY BRETZ, COREY LANE —
18560569 NOVEL PREDICTIVE BIOMARKERS FOR SECONDARY AUTOIMMUNITY AFTER LYMPHOCYTE DEPLETING THERAPY HANEY, AMANDA MARIE —
18331748 Treatment of Hemophilia with Fitusiran INAM, SAHAR —

Interview Candidates (8)

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 8 ordered by deadline are shown.

App #TitleExaminerDue in
18644528 HUMANIZED ANTI-COMPLEMENT FACTOR BB ANTIBODIES AND USES THEREOF MIDDLETON, DANAYA L 13d
19481938 PREDICTING MOTOR FUNCTION SCORES IN POMPE DISEASE TREATMENT PATEL, JAY M —
19128502 Machine Learning Systems and Methods to Identify Locations of Potential Patients and/or Healthcare Providers TIEDEMAN, JASON S —
18797302 ANALYTICAL ULTRACENTRIFUGATION FOR CHARACTERIZATION OF RECOMBINANT VIRAL PARTICLES GILL, RACHEL B —
18648199 METHODS OF IMPROVING RAAV PRODUCTION VAN BUREN, LAUREN K —
18593643 INDOLE COMPOUNDS AND METHODS OF USE HEASLEY, MEGHAN CHRISTINE —
18560569 NOVEL PREDICTIVE BIOMARKERS FOR SECONDARY AUTOIMMUNITY AFTER LYMPHOCYTE DEPLETING THERAPY HANEY, AMANDA MARIE —
18282739 SIZE EXCLUSION CHROMATOGRAPHY ANALYSIS OF EMPTY AND FULL AAV CAPSIDS LI, BAO Q —

Top Art Units

Art UnitApps
1635 3
1671 2
1638 2
1622 2
1628 2
1675 2
3681 1
3683 1
1674 1
1626 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19481938 PREDICTING MOTOR FUNCTION SCORES IN POMPE DISEASE TREATMENT PATEL, JAY M 3681 §101§103 Non-Final OA — Pending Nov 06, 2025
19128502 Machine Learning Systems and Methods to Identify Locations of Potential Patients and/or Healthcare Providers TIEDEMAN, JASON S 3683 §101§103§112 Non-Final OA — Pending May 08, 2025
18797302 ANALYTICAL ULTRACENTRIFUGATION FOR CHARACTERIZATION OF RECOMBINANT VIRAL PARTICLES GILL, RACHEL B 1671 §103§112DP Non-Final OA — Pending Aug 07, 2024
18648199 METHODS OF IMPROVING RAAV PRODUCTION VAN BUREN, LAUREN K 1638 §102§103 Non-Final OA — Pending Apr 26, 2024
18644528 HUMANIZED ANTI-COMPLEMENT FACTOR BB ANTIBODIES AND USES THEREOF MIDDLETON, DANAYA L 1674 §112 Final Rejection 13d Pending Apr 24, 2024
18626784 TARGETED GENE THERAPY FOR DM-1 MYOTONIC DYSTROPHY BRETZ, COREY LANE 1635 §101§102§103§112DP Non-Final OA — Pending Apr 04, 2024
18607056 Treatment of Dry Age-Related Macular Degeneration JACKSON III, WALTER 1638 §103Other Non-Final OA — Pending Mar 15, 2024
18593643 INDOLE COMPOUNDS AND METHODS OF USE HEASLEY, MEGHAN CHRISTINE 1626 §112 Non-Final OA — Pending Mar 01, 2024
18560569 NOVEL PREDICTIVE BIOMARKERS FOR SECONDARY AUTOIMMUNITY AFTER LYMPHOCYTE DEPLETING THERAPY HANEY, AMANDA MARIE 1682 §101§102§112 Non-Final OA — Pending Nov 13, 2023
18282739 SIZE EXCLUSION CHROMATOGRAPHY ANALYSIS OF EMPTY AND FULL AAV CAPSIDS LI, BAO Q 1671 §112 Non-Final OA — Pending Sep 18, 2023
18463047 HYPERGLYCOSYLATED BINDING POLYPEPTIDES HUYNH, PHUONG N 1641 Other Final Rejection — Pending Sep 07, 2023
18331748 Treatment of Hemophilia with Fitusiran INAM, SAHAR 1622 §102§103 Non-Final OA — Pending Jun 08, 2023
18256199 TREATMENT OF HEMOPHILIA WITH FITUSIRAN FAN, LYNN Y 1759 §103 Non-Final OA — Pending Jun 06, 2023
18141128 INDUCTION OF IMMUNE TOLERANCE BY USING METHOTREXATE LEE, CHIHYI NMN 1628 §112DP Final Rejection — Pending Apr 28, 2023
18296283 TARGETED GENE THERAPY FOR DM-1 MYOTONIC DYSTROPHY BRETZ, COREY LANE 1635 §101§103DP Final Rejection 56d Pending Apr 05, 2023
18025847 CARBOXYLIC ACID-CONTAINING COMPOUNDS AS MODULATORS OF BIS-PHOSPHOGLYCERATE MUTASE FOR THE TREATMENT OF SICKLE CELL DISEASE VAJDA, KRISTIN ANN 1622 §102 Final Rejection 36d Pending Mar 10, 2023
18007433 METHODS FOR REDUCING GLYCOSPHINGOLIPID CONCENTRATION IN BRAIN TISSUE AND METHODS OF TREATMENT OF NEURODEGENERATIVE DISEASES INVOLVING THE SAME SZNAIDMAN, MARCOS L 1628 §103 Final Rejection 37d overdue Pending Jan 30, 2023
18155655 SERPINC1 iRNA COMPOSITIONS AND METHODS OF USE THEREOF SHIN, DANA H 1635 §112Other Final Rejection — Pending Jan 17, 2023
17918973 ECLITASERTIB FOR USE IN TREATING CONDITIONS INVOLVING SYSTEMIC HYPERINFLAMMATORY RESPONSE HUTTER, GILLIAN A 1625 §103 Non-Final OA — Pending Oct 14, 2022
18045995 FGFR3 ANTIBODIES AND METHODS OF USE ALLEN, MARIANNE P 1647 §112 Final Rejection 26d Pending Oct 12, 2022
17843812 ANTI-TGF-BETA ANTIBODY FORMULATIONS AND THEIR USE BERHANE, SELAM 1675 §103 Final Rejection 27d Pending Jun 17, 2022
17721003 METHODS OF PERFUSION CULTURING A MAMMALIAN CELL LEVIN, JOEL D 1633 §103 Non-Final OA 74d overdue Pending Apr 14, 2022
17375785 METHODS AND COMPOSITIONS FOR TREATING A SERPINC1-ASSOCIATED DISORDER POLIAKOVA-GEORGAN, EKATERINA 1637 §103Other Final Rejection 54d Pending Jul 14, 2021
17283433 GENERATION OF IMPROVED HUMAN PAH FOR TREATMENT OF SEVERE PKU BY LIVER-DIRECTED GENE REPLACEMENT THERAPY NICOL, ALEXANDER W 1634 §103 Final Rejection — Pending Apr 07, 2021
16088031 BIOMARKERS OF PROTEOPATHIES AND USES THEREOF FONTAINHAS, AURORA M 1675 §103 Final Rejection 35d Pending Sep 24, 2018
14004377 PEGYLATED APELIN AND USES THEREOF KOMATSU, LI N 1658 §103§112 Non-Final OA 44d overdue Pending Feb 10, 2014

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Frequently Asked Questions

How many pending USPTO office actions does GENZYME Corporation have?

GENZYME Corporation has 26 pending office actions as of October 2026, spread across 19 art units and 25 examiners.

Which USPTO examiner handles the most GENZYME Corporation applications?

Corey Lane Bretz has the most, with 2 of GENZYME Corporation's pending office actions.

What technology area are GENZYME Corporation's patent applications in?

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

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