642                              LAWS OF MARYLAND                     [CH. 449

(2)   For the purpose of this Section, "an attorney recognized to
practice before the United States Patent Office in patent or trade-
mark cases" is defined as one who is duly authorized to practice law
in any state or territory of the United States or the District of
Columbia and who also is entitled under the rules of the United
States Patent Office to represent another in a patent or a trademark
case; and to "practice patent or trademark law" is defined to mean
to perform all necessary professional services with respect to patent
or trademark matters, concerning which being recognized to prac-
tice before the United States Patent Office for the performance of
such services is required, and includes the preparation and filing
of copyright applications and assignments thereof in the Copyright
Office of the Library of Congress.

(3)   This Section shall not be construed to authorize an attorney
recognized for practice before the United States Patent Office in
patent or trademark cases to appear in any court or in any tribunal
other than the tribunals of the Patent Office, nor to hold himself out
as authorized to practice law generally in Maryland.

Sec. 2. And be it further enacted, That this Act shall take effect
June 1, 1965.

Approved April 8, 1965.

CHAPTER 449
(House Bill 1001)

AN ACT relating to the zoning powers of the district council sitting
in Montgomery County under the authority of the Washington-
Maryland Regional District Act; to repeal and re-enact Section
1(76), Chapter 780, of the Laws of 1959, with additions and amend-
ments, to provide FOR AN INCREASE IN THE QUORUM OF
THE DISTRICT COUNCIL IN MONTGOMERY COUNTY FROM
THREE TO FOUR MEMBERS AND TO FURTHER PROVIDE
that the County Council for Montgomery County, sitting as a dis-
trict council, shall not receive applications for zoning map amend-
ments upon the same land which has been the subject of a previous
zoning map amendment APPLICATION FOR THE SAME ZONING
CLASSIFICATION unless thirty-six (36) months has expired since
the filing of the application for the previous zoning map amend-
ment; and further providing that an application for a zoning map
amendment filed with the County Council for Montgomery County,
sitting as a district council, shall set forth the names of all persons
having a substantial interest in the subject property of the applica-
tion, such substantial interest to include all those persons with a
share in such property amounting to five per cent (5%) or more of
the value of such property. , ALL CONTRACT PURCHASERS
AND ALL THOSE HOLDING AN OPTION TO PURCHASE.

Section 1. Be it enacted by the General Assembly of Maryland,
That Section 1(76) of Chapter 780 of the Laws of 1959 be and it is
hereby amended to read as follows: