A clear start
A little guidance.Then back to your case.
Practical guides to document versions and cross-border reference preparation.
IDS preparation
Learn which information disclosure statement documents to gather and how to prepare them for review.
Foreign references for an IDS: copies, translations, and where to get them
What 37 CFR 1.98 requires for foreign patent documents and non-English references in an Information Disclosure Statement, and how to collect the copies cited in a foreign Office Action.
IDS preparation: what to attach and how to handle NPL
A US-focused IDS preparation checklist: start with the OA citation list, choose the right documents, and separate patent copies from NPL handling.
Office Action citations
Understand citation records, patent references, and the documents included in an Office Action download.
Office Action Cited References: Find, Check, and Download
Identify references in an Office Action, check the cited document type, and collect source files without confusing document collection with IDS filing.
How to collect every OA citation in one pass
A practical guide to extracting, checking, downloading and packaging the citations in an Office Action.
How OA citation downloads work
Upload an Office Action, inspect its citations, and download available cited patent documents with the citation list.
Patent document downloads
Find practical guidance for patent numbers, original PDFs, and downloading documents in batches.
How to download a batch of patent documents
Prepare a mixed list of known patent references, review availability, and download the available files together.
Free patent number batch download: sign up and use DownloadPatent's three tools
Sign up for a free DownloadPatent account to download patents by number in batches, within the free daily allowance. One patent can be downloaded from its own page without an account, up to 5 a day.
Espacenet PDF Download: Original Documents and Fallbacks
Use Espacenet to find an original patent document, distinguish the full-document PDF from a search-results export, and choose an official EPO alternative when needed.
J-PlatPat Patent PDF Download: A Practical Guide
Search J-PlatPat for a Japanese publication, check kind codes and document view limits, and distinguish a few PDFs from official bulk data.
How to Download a TIPO Patent Gazette PDF
Find a Taiwan patent gazette by issue or document, download the right PDF or ZIP, and verify the publication identity before saving it.
How to Download a Patent PDF from Each Patent Office
Download a known patent publication from the right official source. Compare publication numbers, kind codes, original PDFs, and batch options before filing or archiving.
How to Download Chinese and Korean Patent PDFs: CNIPA, KIPRIS, and Design Applications
Where Chinese and Korean patent PDFs come from, how to handle Chinese design applications and KIPRIS language options, and what to check when a PDF is missing.
How to Search Japanese Patents: Reading Tokkai and Tokkyo Numbers, and Finding English Publications
A practical guide to Japanese application, publication and grant numbers, J-PlatPat, Espacenet, PATENTSCOPE and PDF availability.
Patent Number Lookup: How to Read US, CN, JP, KR, EP and TW Formats
Look up a patent by number: how publication, grant and application numbers and kind codes work for the US, China, Japan, Korea, Europe and Taiwan, and which official source resolves each.
Which patent number formats are supported?
Use the country examples and the kind-code rules to make a mixed reference list easier to resolve.
Coverage and file formats
Check supported patent offices, source coverage, document versions, and available file formats.
Coverage, document options and file formats
Understand which offices and package outputs are in scope, and why a supported format still needs an availability check.
Getting started
Read general guidance about using DownloadPatent and preparing a reliable document workflow.
Troubleshooting common download errors
Use the input, source and file checks in this order when a row is unsupported, unavailable or only partially complete.
Using DownloadPatent with AI agents: batch patent downloads
Paste a mixed-country patent number list and download the available documents together: number formats, OA modes, English family files and agent access.
How credits work and when they expire
What credits pay for, how sign-up credits differ from credits you buy, which are used first, and when each expires.
Billing, plans and balance
What the Free and Monthly plans include, how Office Actions are counted, and what to check when a balance looks wrong.
Data confidentiality and document handling
What happens to an uploaded Office Action, how long files stay available, and how to ask for help without sharing confidential details.
When a document needs a second look
A number is not recognized
Check the country prefix, digits and kind code. Use the publication number when available. Not every local label or application format is supported.
A PDF cannot be retrieved
The source may not provide the file, the publication may be unavailable, or the number may resolve differently. Keep the successful files and check the reference manually.
No English counterpart is found
The original stays available. If a Google machine translation is available, use the external link to view it on Google Patents; it is not included in downloads.