Windows XP/Vista/7/8/10

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Version 4.0.2 (May 24, 2017)
Fixed Fixed issues with some PCT documents not downloading correctly.
Fixed Fixed issue where invalid patents were not correctly failing.
Fixed Fixed issue with trial version subscription.
Version 4.0.1 (October 12, 2016)
Updated Updated PatentHunter International to include the ability to download and search for international patents such as PCT international applications and foreign patent documents.
Version 3.5.39 (May 8, 2015)
Fixed Fixed issue relating to published patent applications were not downloading the PDF files.
Version 3.5.39 (May 8, 2015)
Fixed Fixed issue relating to published patent applications were not downloading the PDF files.
Version 3.5.38 (April 6, 2015)
Fixed Fixed issue relating to DEP compatibility.
Version 3.5.37 (March 3, 2015)
Fixed Fixed issue relating to blank pages in some downloads.
Fixed Fixed issue relating to some patent documents crashing the generation of search reports.
Version 3.5.36 (Not Formally Released)
Fixed Fixed problem with some patent numbers included in the search report generator causing a runtime error.
Version 3.5.35 (October 17, 2014)
Fixed Fixed issues relating to the upper portion of HTML files cutoff for some patent documents.
Version 3.5.34 (October 2, 2014)
Fixed Updated PatentHunter to fix issues with Search Report Generation.
Version 3.5.33 (September 11, 2014)
Updated Updated PatentHunter to fix the "Invalid URL" notice received in U.S. published patent applications related to a change on the USPTO website.
Version 3.5.32 (May 5, 2014)
Updated Updated PatentHunter to download European (EP) foreign patent documents from the Google Patents interface.
Version 3.5.31 (March 20, 2014)
Updated Fixed Code Signing Certificate issue during installation.
Version 3.5.30 (March 6, 2014)
Updated Removed EPO search tabs since EPO searching and downloading has been disabled until a version of PatentHunter is developed that works with the EPO OPS system.  NOTE: We are currently working on developing an updated version of PatentHunter that will download EPO patent documents via the OPS system.
Version 3.5.29 (December 10, 2013)
Updated Updated patent searching and downloading.
Version 3.5.28 (January 17, 2013)
Updated Updated installation package.
Version 3.5.27 (December 11, 2012)
Fixed Some PCT documents were not downloading.
Version 3.5.26 (September 16, 2012)
Updated PatentHunter updated to operate on server based environments.
Version 3.5.25 (July 23, 2012)
Fixed EPO search was not returning results.
Fixed Using the Recover Database feature resulted in titles being malformed.
Fixed When moving your Patent Downloads folder and setting the new folder as the save folder, PatentHunter could no longer find the patent.
Version 3.5.24 (June 4, 2012)
Fixed Design patents with 5 digits were not being included in Search Reports (e.g. D83,994).
Fixed Duplicate HMTL content was being downloaded.
Version 3.5.23 (February 3, 2012)
Fixed EPO searching was not working due to a change at the EPO website.
Fixed Some EPO documents (e.g. A2, A3, B1) were not downloading properly.
Updated A "Do Not Show" checkbox was added for the registration expiration pop-up.
Version 3.5.22 (July 18, 2011)
Fixed For Windows 7 64 bit users, a Microsoft Update on July 12, 2011 resulted in the 'An invalid argument was encountered' error message.
Version 3.5.21 (June 28, 2011)
Fixed PCT documents initially fail but download after a retry (manual or automatic).
Version 3.5.20 (April 26, 2011)
Updated PatentHunter was updated to correspond to recent EPO website changes. KNOWN BUG: PCT documents initially fail but download after a retry (manual or automatic) which will be resolved in the next update.
Version 3.5.19 (January 7, 2011)
Fixed Removing duplicated patent documents resulted in termination of program.
Fixed Repeating EPO search results.
Fixed Multiple downloads occasionally leads to a crash.
Fixed Default save folder not set or improperly set results in failed downloads.
Version 3.5.18 (May 19, 2010)
Fixed Advanced searches of the EPO would only return up to 15 results.
Fixed Basic searches of the EPO would loop if 16 or more results are found.
Version 3.5.17 (December 21, 2009)
Fixed Some "X patents" were not downloading properly.
Version 3.5.16 (September 17, 2009)
Updated Interface design changed.
Version 3.5.15 (July 14, 2009)
Updated Misc. updates to downloading features.
Version 3.5.14 (June 27, 2009)
Updated Change to EPO website caused EPO patent document download problems.
Fixed Simultaneous patent downloads would sometimes fail.
Version 3.5.13 (March 12, 2009)
FixedWhen attempting to install v3.5.12, users that did not have the PatentHunter Toolbar would receive the following error notice: "Error 2753 The File 'displayphtoolband.exe' is not marked for installation."
Version 3.5.12 (February 13, 2009)
UpdatedEPO downloads incurred problems because of recent minor EPO website changes.
Fixed U.S. Classification searches were not consistent with USPTO website.
Fixed When downloading multiple patents some patents will periodically fail.
Fixed The document title for some patents would not be present.
Fixed Sending patents via some versions of Outlook 2003 would fail
Version 3.5.11 (January 8, 2009)
Updated EPO search results and search reports incurred problems because of prior EPO changes.
Updated When downloading multiple patents sometimes download errors occurred if one of the patents had already been downloaded.
Updated Basic Search provided inconsistent search results with specific fields.
Updated EPO Advanced search numbering.
Updated Patent search reports of over 100 patents resulted in patent image compilation issue.
Updated Installation security warning would be displayed during installation.
Updated Windows 2000 PDF collation message issue.
Updated Looping search results on USPTO searches.
Updated An issue occured if Adobe Acrobat Professional was open when compiling PDF images.
Improvement Warning to users without a PDF reader installed on their computer.
Improvement Various graphics and program directory icons improved.
Improvement Installation program updated to Installshield 2009 Express.
Version 3.5.10 (December 8, 2008)
UpdatedSome U.S. Published Applications would encounter an "Invalid URL. (4)" error notice.
UpdatedSome older U.S. patents were not downloading correctly.
Version 3.5.09 (December 2, 2008)
Updated The number of pages to download feature was not operating properly with specific patents.
Updated Some large U.S. published applications were not merging properly.
Updated Some single page EPO patent documents were not downloading properly.
Version 3.5.08 (November 30, 2008)
Updated Patent search reports feature was not operating correctly.
UpdatedPCT "application numbers" (e.g. PCTAU2003001321) were not downloading correctly (WO publication numbers have always been downloading).
Updated Some larger PDF files (exceeding 150 pages) were not being merged properly.
Version 3.5.07 (November 23, 2008)
Updated The selected number of pages to download for each patent were not being downloaded.
Updated USPTO patent search results were not all being displayed.
Version 3.5.06 (November 17, 2008)
Updated Downloads from the EPO website were failing because of recent changes to EPO website.