Prosecution Insights
Last updated: October 26, 2026

Anthony J Calandra, USPTO Patent Examiner

Listed by the USPTO as CALANDRA, ANTHONY J

Tech Center 1700 • Art Units: 1623 1741 1748 1759 1791

This examiner grants 63% of resolved cases

Analysis

CALANDRA, ANTHONY J handles matters in USPTO Technology Center 1700 and art unit 1623. The record reports 1056 resolved cases and a 62.9% allowance rate. The median time to allowance is 1065 days, giving applicants a substantial examination horizon for planning responses and portfolio timing.

The reported interview lift is 18.6%. UPM Corporation, Stora Enso Oyj, and Seiko Epson Corporation are the listed companies. GREER, BURNS & CRAIN, LTD, Laine IP Oy, and Nixon Peabody LLP are the identified firms. Applicants should present technically precise distinctions and maintain clear support for claim amendments. Interviews can help narrow disputed issues, but prosecution planning should also account for the length of the examination process.

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

Performance Statistics

62.9%
Allow Rate
-2.1% vs TC avg
1,108
Total Applications
+18.6%
Interview Lift
1065
Avg Prosecution Days
Based on 1056 resolved cases, 2023–2026

Rejection Statute Breakdown

1.4%
§101 Eligibility
19.3%
§102 Novelty
42.1%
§103 Obviousness
27.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18818681 CRUSHED PIECE SUPPLY DEVICE AND FIBER STRUCTURE MANUFACTURING APPARATUS Final Rejection SEIKO EPSON CORPORATION
18950534 Methods for Liberating Trichome Fibers from Portions of a Host Plant Final Rejection The Procter & Gamble Company
18597787 PROCESS TO OBTAIN FULLY OXIDIZED WHITE LIQUOR FOR USE IN THE FIBERLINE OF A KRAFT PULP PROCESS Non-Final OA L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges Claude
18577767 TISSUE PAPER MATERIAL AND TISSUE PAPER PRODUCT Final Rejection Essity Hygiene and Health Aktiebolag
19057561 SOFT WET PRESSED FACIAL TISSUE Non-Final OA Kimberly-Clark Worldwide, Inc.
18705088 A METHOD FOR MANUFACTURING A PURIFIED FIBER FRACTION FROM USED BEVERAGE CARTON Final Rejection Stora Enso OYJ
18559422 MULTIPLY CONTAINERBOARD FOR USE IN CORRUGATED BOARD Non-Final OA Stora Enso OYJ
18997460 METHOD FOR PREPARING CARBAMATED CELLULOSE FIBERS Non-Final OA DAIO PAPER CORPORATION
18031207 A METHOD FOR PREPARING MODIFIED PULP Non-Final OA UPM-Kymmene Corporation
17607961 CELLULOSE MATERIAL PLASTICIZATION AND VISCOSITY CONTROLLED CELLULOSIC MATERIAL Non-Final OA UPM-Kymmene Corporation
18996952 PREPARATION METHOD FOR DISTILLERS GRAIN-BASED LYOCELL FIBER PULP Non-Final OA SHAOXING UNIVERSITY

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Frequently Asked Questions

What is examiner Anthony J Calandra's allowance rate?

62.9% of resolved applications examined by Anthony J Calandra were allowed (1,056 resolved cases), compared with 51.3% across Art Unit 1623 over the last five years.

Does an interview help with examiner Anthony J Calandra?

This examiner's interview lift is +18.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Anthony J Calandra take to allow a patent?

Applications allowed by Anthony J Calandra took 1,065 days on average from filing to allowance.

Which art unit does examiner Anthony J Calandra work in?

Anthony J Calandra examines applications in Art Unit 1623 in Tech Center 1700 (Chemistry & Materials).

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