直 Japanese PDF Font
  • Our Professionals
  • Our Work
  • Our Insights
  • Offices
  • Firm
  • Careers
Finnegan
  • Articles & Books
    • Ad Law Buzz Blog
    • At the PTAB Blog
    • European IP Blog
    • Federal Circuit IP Blog
    • INCONTESTABLE® Blog
    • Prosecution First Blog
  • Events & Webinars
  • IP Updates
  • Podcasts
    • AI + Finnegan
    • AI + Copyright
    • AI + Patent
    • AI + Privacy
    • AI + Trade Secrets
    • AI + Trademark
  • Unified Patent Court (UPC) Hub

Prosecution First Blog

Assuring Quality U.S. Patents: Patent Owners’ Perspective Part 3 of a 3 Part Series

June 29, 2020

Authored and Edited by Adriana L. Burgy; Thomas Lee Irving; Stacy Lewis*

In the third and final part of this series, Assuring Quality U.S. Patents: Patent Owners’ Perspective, considerations for quality patent drafting are provided. The first part (interaction between attorney and inventor and preparing a quality patent) of the series can be found here and the second part (satisfying Section 112) of the series can be found here.

PART 3:  Quality Patent Drafting

IV. Considerations for Quality Patent Drafting: Answers May Have Inequitable Conduct/Unclean Hands Implications

A. Are subjective evaluations presented as fact? Are assertions supported by science?

  1. Purdue Pharma L.P. v. Endo Pharms., Inc., 438 F.3d 1123 (Fed. Cir. 2006)

B. Do the inventors or persons with a Rule 56 duty know of any prior art, including patents, publications, and possible on-sale or public use information?

  1. Transweb, LLC v. 3M Innovative Properties Co., 812 F.3d 1295 (Fed. Cir. 2016)
  2. GS CleanTech Corp. v. Adkins Energy LLC, 951 F.3d 1310 (Fed. Cir. 2020)

C. Do the inventors have any articles or publications on the subject matter of the invention?

  1. Bristol-Myers Squibb Co. v. Rhône-Poulenc Rorer, Inc., 326 F.3d 1226 (Fed. Cir. 2003)

D. Were all the experiments described performed as described?

  1. Hoffmann-LaRoche, Inc. v. Promega Corp., 323 F.3d 1354 (Fed. Cir. 2003)
  2. Novo Nordisk Pharmaceuticals, Inc. v. Bio-Technology General Corp., 424 F.3d 1347 (Fed. Cir. 2005)
  3. Pharmacia Corp. v. Par Pharmaceutical, Inc., 417 F.3d 1369 (Fed. Cir. 2005)
  4. Apotex, Inc. v. UCB, Inc., 763 F.3d 1354 (Fed. Cir. 2014)

E. Are there experiments and/or experiment details that were not included in the specification?

  1. Aventis Pharma S.A. v. Amphastar Pharmaceuticals, Inc., 525 F.3d 1334 (Fed. Cir. 2008)

F. Are there undisclosed data? undisclosed documents?

  1. Cargill, Inc. v. Canbra Foods, Ltd., 476 F.3d 1359 (Fed. Cir. 2007)
  2. Apotex, Inc. v. UCB, Inc., 763 F.3d 1354 (Fed. Cir. 2014)

G. Is there information in the files of those having a Rule 56 duty that is inconsistent with those data submitted? Arguments made in support of patentability?

  1. Monsanto Co. v. Bayer Bioscience N.V., 514 F.3d 1229 (Fed. Cir. 2008)
  2. Ferring B.V. v. Barr Labs., Inc., 437 F.3d 1181 (Fed. Cir. 2006)
  3. Therasense, Inc. v. Becton, Dickinson & Co., 649 F.3d 1276 (Fed. Cir. 2011) (en banc)

H. Do they know of any related applications? Office Actions in any related applications? related patents? any litigation on the related patents?

  1. McKesson Information Solutions, Inc. v. Bridge Medical, Inc., 487 F.3d 897 (Fed. Cir. 2007)
  2. Nilssen v. Osram Sylvania, Inc., 504 F.3d 1223 (Fed. Cir. 2007)
  3. Leviton Mfg. Co., Inc. v. Universal Sec. Instruments, Inc., 606 F.3d 1353 (Fed. Cir. 2010)
  4. Masimo Corp. v. Philips Elec. North Am. Corp., C.A. No. 09-80-LPS (D. Del. 2016)
  5. Regeneron Pharms., Inc. v. Merus N.V., 864 F.3d 1343 (Fed. Cir. 2017), cert. denied (Oct. 1, 2018)

I. Is there any correspondence, reports, or notes of telephone calls between the patent owner and third parties, such as potential licensors?

  1. Gilead Sciences, Inc. v. Merck & Co., Inc., 888 F.3d 1231 (Fed. Cir. 2018)

J. Are there invalidity and/or unpatentability search reports from patent authorities, inventors, patent searchers of the patentee, and/ or private patent searchers outside the patent owner relating to the subject matter?

K. Are there any documents related to world-wide regulatory filings, including, for example, in the U.S., the IND and NDA.

  1. Aventis Pharma S.A. v. Hospira, Inc., 675 F.3d 1324 (Fed. Cir. 2012)
  2. Merck & Co., Inc. v. Danbury Pharmacal, Inc., 873 F.2d 1418 (Fed. Cir. 1989)

L. Be very careful with declarations submitted for establishing patentability.

Tags

inequitable conduct, patent application, patentability

Related Practices

Global IP Enforcement, Litigation, and Trials

Related Offices

Washington, DC

Contacts

Adriana L. Burgy
Partner
Washington, DC
+1 202 408 4345
Email

*Stacy Lewis is a Law Clerk at Finnegan


Copyright © 2020 Finnegan, Henderson, Farabow, Garrett & Dunner, LLP. 


DISCLAIMER: Although we wish to hear from you, information exchanged in this blog cannot and does not create an attorney-client relationship. Please do not post any information that you consider to be personal or confidential. If you wish for Finnegan, Henderson, Farabow, Garrett & Dunner, LLP to consider representing you, in order to establish an attorney-client relationship you must first enter a written representation agreement with Finnegan. Contact us for additional information. One of our lawyers will be happy to discuss the possibility of representation with you. Additional disclaimer information.

Related Insights

Reception

2026 IPO Education Foundation Awards Dinner

December 15, 2026

Washington, DC

Conference

IAM Live: Navigating the UPC 2026

November 4, 2026

Paris

Conference

4th Global Patent Litigation FORUM

October 29, 2026

Munich

Conference

2026 AIPLA Annual Meeting

October 29-31, 2026

Washington, DC

Conference

2026 EDTX Bench Bar Conference

October 28-30, 2026

Fort Worth

Seminar

Future IP UK

October 21, 2026

London

Conference

ChIPs Global Summit 2026

October 21-23, 2026

Los Angeles

Hybrid Conference

Intellectual Property Law Institute 2026 – California

October 19-20, 2026

San Francisco

Conference

31st Annual UMass Chan Research Retreat

October 14-15, 2026

Worcester

Due to international data regulations, we’ve updated our privacy policy. Click here to read our privacy policy in full.

  • Privacy
  • Disclaimer
  • Legal Notices
  • Fraud Alert
  • EEO Statement
  • Cookies
  • Contact Us

© 2026 Finnegan, Henderson, Farabow, Garrett & Dunner, LLP