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H.R. 810 (109th): Stem Cell Research Enhancement Act of 2005

To amend the Public Health Service Act to provide for human embryonic stem cell research.

The bill’s titles are written by its sponsor.

Sponsor and status

Michael Castle

Sponsor. Representative for Delaware At Large. Republican.

Read Text »
Last Updated: Jul 19, 2006
Length: 2 pages
Feb 15, 2005
109th Congress (2005–2006)

Vetoed & Override Failed in House on Jul 19, 2006

This bill was vetoed. The House attempted to override the veto on July 19, 2006 but failed.


200 Cosponsors (176 Democrats, 23 Republicans, 1 Independent)


Position statements

Statement of Administration Policy

President George Bush [R, 2001-2009]: H.R. 810 - Stem Cell Research Enhancement Act of 2005 (May 24, 2005)

What legislators are saying

Statement of Congresswoman Lowey on the Stem Cell Research Enhancement Act
    — Rep. Nita Lowey [D-NY17, 2013-2020] (Co-sponsor) on Jul 19, 2006

Administration Must Embrace Scientific Research: Capuano Supports Stem Cell Act
    — Rep. Michael Capuano [D-MA7, 2013-2018] (Co-sponsor) on May 25, 2005

Cantwell to President: Veto of Stem Cell Research Denies Hope to Millions of Americans
    — Sen. Maria Cantwell [D-WA] on Jul 19, 2006

More statements at ProPublica Represent...


Feb 15, 2005

Bills and resolutions are referred to committees which debate the bill before possibly sending it on to the whole chamber.

May 24, 2005
Passed House (Senate next)

The bill was passed in a vote in the House. It goes to the Senate next.

Jul 18, 2006
Passed Senate

The bill was passed by both chambers in identical form. It goes to the President next who may sign or veto the bill.

Jul 19, 2006

The President vetoed the bill. Congress may attempt to override the veto.

Jul 19, 2006
House Override Failed

A vote to override the President's veto failed in the House. The bill is now dead.

H.R. 810 (109th) was a bill in the United States Congress.

A bill must be passed by both the House and Senate in identical form and then be signed by the President to become law.

Bills numbers restart every two years. That means there are other bills with the number H.R. 810. This is the one from the 109th Congress.

This bill was introduced in the 109th Congress, which met from Jan 4, 2005 to Dec 9, 2006. Legislation not passed by the end of a Congress is cleared from the books.

How to cite this information.

We recommend the following MLA-formatted citation when using the information you see here in academic work:

“H.R. 810 — 109th Congress: Stem Cell Research Enhancement Act of 2005.” 2005. June 25, 2021 <>

Where is this information from?

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