What is a patent filing number?

A Patent Number is assigned by the USPTO. A patent number may include up to eight characters and is formatted as follows: Utility : Patent numbers consist of six, seven or eight digits. H Documents : (e.g., Hnnnnnnn , H0000001) must enter leading zeroes between “H” and number to create 7 digits. …

How do I find an old patent number?

How to Find Old Patents with a Specific Patent Number. If you have the actual patent number of a product you are looking for, you can search the U.S. Patent and Trademark Office’s website at http://www.uspto.gov/patft/index.html. From that page, you can click on the box under “query” and type in the patent number.

How do I find a patent application number?

There are two very good online databases to search for patent numbers:

USPTO Patent Number Search. Enter the patent number you would like to access. Requires a TIFF file viewer to view the patent images.
Google Patents. Enter a patent number and you will be able to access the PDF version of the patent.

Where can I find filed patents?

Patents may be searched in the USPTO Patent Full-Text and Image Database (PatFT). The USPTO houses full text for patents issued from 1976 to the present and PDF images for all patents from 1790 to the present….USPTO Patent Full-Text and Image Database (PatFT)

Quick Search.
Advanced Search.
Patent Number Search.

Can you choose your own patent number?

Since they are assigned by the U.S. Patent Office (USPTO), there is no discretion in assigning these numbers.

How do you read a patent number?

In the United States, issued patents generally begin with “US.” That is followed by the one-to-seven-digit patent number. The last part is a kind code. Each part is separated by a hyphen. A U.S. Design patent number starts with a “D” or the letters “Des.”

What year or years was a patent issued renewed?

The patent expires 17 years from the date that claims issue. On June 8, 1995, laws went into effect that changed the term to bring United States patent law in line with the rest of the world. A similar change for design patents occurred more recently.

Where can I find list of patent years?

The following table displays the calendar year along with the first corresponding document number issued in each year for selected patent document types (utility, design, plant, and reissue patents and statutory invention registrations)

When was the first year a patent was issued?

Table of Issue Years and Patent Numbers, for Selected Document Types Issued Since 1836 * The following table displays the calendar year along with the first corresponding document number issued in each year for selected patent document types (utility, design, plant, and reissue patents and statutory invention registrations) Issue Year First

What are the records of the Patent Office?

241.2 RECORDS OF THE PATENT OFFICE (RECONSTRUCTED RECORDS) RELATING TO “NAME AND DATE” PATENTS 1837-87 12 lin. ft. 241.3 RECORDS OF THE PATENT OFFICE RELATING TO NUMBERED PATENTS 1836-1973 24,863 lin. ft.

How long does a utility and plant patent last?

++ Although, the length of utility and plant patent protection (patent term) was previously seventeen years from the date of patent grant, utility and plant patents filed after June 8, 1995 now have a patent term of up to twenty years from the date of filing of the earliest related patent application.

Is the serial number of a patent the same as the filing date?

This table is intended to be used only as a rough guide and some application serial numbers (e.g., those based on patent filings under the Patent Cooperation Treaty (PCT)) have filing dates that may not fall within the time periods indicated by this table. Please note that an application serial number is not the same as a patent number.