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-CITE-
35 USC CHAPTER 26 - OWNERSHIP AND ASSIGNMENT 01/03/2007

-EXPCITE-
TITLE 35 - PATENTS
PART III - PATENTS AND PROTECTION OF PATENT RIGHTS
CHAPTER 26 - OWNERSHIP AND ASSIGNMENT

-HEAD-
CHAPTER 26 - OWNERSHIP AND ASSIGNMENT

-MISC1-
Sec.
261. Ownership; assignment.
262. Joint owners.

-End-



-CITE-
35 USC Sec. 261 01/03/2007

-EXPCITE-
TITLE 35 - PATENTS
PART III - PATENTS AND PROTECTION OF PATENT RIGHTS
CHAPTER 26 - OWNERSHIP AND ASSIGNMENT

-HEAD-
Sec. 261. Ownership; assignment

-STATUTE-
Subject to the provisions of this title, patents shall have the
attributes of personal property.
Applications for patent, patents, or any interest therein, shall
be assignable in law by an instrument in writing. The applicant,
patentee, or his assigns or legal representatives may in like
manner grant and convey an exclusive right under his application
for patent, or patents, to the whole or any specified part of the
United States.
A certificate of acknowledgment under the hand and official seal
of a person authorized to administer oaths within the United
States, or, in a foreign country, of a diplomatic or consular
officer of the United States or an officer authorized to administer
oaths whose authority is proved by a certificate of a diplomatic or
consular officer of the United States, or apostille of an official
designated by a foreign country which, by treaty or convention,
accords like effect to apostilles of designated officials in the
United States, shall be prima facie evidence of the execution of an
assignment, grant or conveyance of a patent or application for
patent.
An assignment, grant or conveyance shall be void as against any
subsequent purchaser or mortgagee for a valuable consideration,
without notice, unless it is recorded in the Patent and Trademark
Office within three months from its date or prior to the date of
such subsequent purchase or mortgage.

-SOURCE-
(July 19, 1952, ch. 950, 66 Stat. 810; Pub. L. 93-596, Sec. 1, Jan.
2, 1975, 88 Stat. 1949; Pub. L. 97-247, Sec. 14(b), Aug. 27, 1982,
96 Stat. 321.)


-MISC1-
HISTORICAL AND REVISION NOTES
Based on Title 35, U.S.C., 1946 ed., Sec. 47 (R.S. 4898, amended
(1) Mar. 3, 1897, ch. 391, Sec. 5, 29 Stat. 93, (2) Feb. 18, 1922,
ch. 58, Sec. 6, 42 Stat. 391, (3) Aug. 18, 1941, ch. 370, 55 Stat.
634).
The first paragraph is new but is declaratory only. The second
paragraph is the same as in the corresponding section of existing
statute. The third paragraph is from the existing statute, a
specific reference to another statute is omitted. The fourth
paragraph is the same as the existing statute but language has been
changed.

AMENDMENTS
1982 - Pub. L. 97-247 inserted ", or apostille of an official
designated by a foreign country which, by treaty or convention,
accords like effect to apostilles of designated officials in the
United States".
1975 - Pub. L. 93-596 substituted "Patent and Trademark Office"
for "Patent Office".

EFFECTIVE DATE OF 1982 AMENDMENT
Amendment by Pub. L. 97-247 effective Aug. 27, 1982, see section
17(a) of Pub. L. 97-247, set out as a note under section 41 of this
title.

EFFECTIVE DATE OF 1975 AMENDMENT
Amendment by Pub. L. 93-596 effective Jan. 2, 1975, see section 4
of Pub. L. 93-596, set out as a note under section 1111 of Title
15, Commerce and Trade.

-End-



-CITE-
35 USC Sec. 262 01/03/2007

-EXPCITE-
TITLE 35 - PATENTS
PART III - PATENTS AND PROTECTION OF PATENT RIGHTS
CHAPTER 26 - OWNERSHIP AND ASSIGNMENT

-HEAD-
Sec. 262. Joint owners

-STATUTE-
In the absence of any agreement to the contrary, each of the
joint owners of a patent may make, use, offer to sell, or sell the
patented invention within the United States, or import the patented
invention into the United States, without the consent of and
without accounting to the other owners.

-SOURCE-
(July 19, 1952, ch. 950, 66 Stat. 810; Pub. L. 103-465, title V,
Sec. 533(b)(3), Dec. 8, 1994, 108 Stat. 4989.)


-MISC1-
HISTORICAL AND REVISION NOTES
This section states a condition in existing law not expressed in
the existing statutes.

AMENDMENTS
1994 - Pub. L. 103-465 substituted "use, offer to sell, or sell"
for "use or sell" and inserted "within the United States, or import
the patented invention into the United States," after "invention".

EFFECTIVE DATE OF 1994 AMENDMENT
Amendment by Pub. L. 103-465 effective on date that is one year
after date on which the WTO Agreement enters into force with
respect to the United States [Jan. 1, 1995], with provisions
relating to earliest filed patent application, see section 534(a),
(b)(3) of Pub. L. 103-465, set out as a note under section 154 of
this title.

-End-
   

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