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About me

Leighton B Deming Jr. PC A/K/A is a firm with a Heart. We listen to our clients, we handle our cases in an efficient and timely manner.


Mr. Deming resides in Suwanee, GA and his office is in Cumming, GA. For 28 years he practiced in Gwinnett and surrounding counties. First opened office in early 1974  was on W. Peachtree St. Atlanta. He then moved shortly ater to Jimmy Carter Blvd (then known as Rockbridge Rd.) and was there for 28 years, built the largest law firm in Gwinnett County, private practice in Duluth anc Cumming. We handle all the surrounding Counties including Gwinnett, Forsyth, Hall, Cherokee, Dawson, Lumpkin, Fulton, and other metro areas.


Mr. Deming is marriet to Annette C. Deming, has two sons Jody and Kevin, and three step-sons Steven, Ryan, And Christopher. Annette, Ryan and Christopher work at the firm and help make this firm turly family run business.


Ryan Post and Darryll Hunnings are associates with the firm and are handling general practice, domestic (divorce, contempt, modifications, legitimation).


The firm, with Mr. Deming's experience concentrates in Personal Injury, Divorce and Criminal.


Mr. Deming has handled many cases including some very difficult  casesthat other attorneys have refuded to handle. Some of the cases were $2 million, $1 million, $1.4 million, $800,000.00, $600,000.00, $300,000.00.


Mr. Deming has been on many company Board of Directors. Some were, Vistana Condominium Association Boards where he has been President three times and is presently Vice President of the Board.


Member of the Forsyth County Bar Association, past member of the Gwinnett Bar Association  (1974-1997), authorized to practice in the Georgia Supreme Court, Georgia Courts of Appeals,  Federal District Courts, Supreme Court of the United States of America as well as the Circuit Court of Appeals. Member of the GLSA of the American Bar Association for 27 years helping people all over the Country get reasonable legal services. Member of the Mountian Park United Methodist Church, Mr. Deming was Sr. Vice President and administrator of Amway's Ultimate Legal Network. Mr. Deming finished the Toastmaster Program and became an Able Toastmaster. As President of multiple Optimist Clubs helped many children as "Friend of Youth"


Helping others is the ultimate road to happiness. Leighton


Photos and videos

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Practice areas


  1. Divorce & Separation: 20%
  2. Criminal Defense: 20%
  3. Personal Injury: 20%
  4. Car Accidents: 20%
  5. General Practice: 20%



Fixed (sometimes), Retainer (always)

Payment types:

Cash, Check, Credit card

Attorney endorsements

2 total 

Are you an attorney? Endorse this lawyer

  • Vic Wiegand

    Leighton is a multi-talented man. He is an accomplished author, artist and attorney. I endorse this lawyer.


    Vic Wiegand Criminal Defense Attorney
    Relationship: Fellow lawyer in community

  • Christopher Allen Flowers

    I endorse this lawyer.


    Christopher Flowers Family Attorney
    Relationship: Worked for lawyer

Contact info

Georgia Lawyer

2450 Atlanta Highway
Cumming, GA, 30040


GAActive Member in Good Standing 197411/07/2015
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Spoke of the YearAble Toastmaster1974
Work experience
TitleCompany nameDuration
AttorneyAttorney At Law1974 - Present
Association namePosition nameDuration
Vistana ResortPresident1992 - Present
Optimist of GwinnettPresident1980 - 2013
Legal cases
Case nameOutcome
Death Case$2.5 million
Back Injury$1.4 million
See all legal cases 
Publication nameTitleDate
Amacom Books publicationTwo Years: The Curse2012
DorranceMurder By: Hostage1999
Amacom Books publicationThe President Is a Spy?1991
School nameMajorDegreeGraduated
John Marshall Law School, AtlantaLawJD/MBA - Juris Doctorate and LLM1973
Speaking engagements
Conference nameTitleDate
ABA/GLSA/Am. Prepaid Legal Assoc.American Prepaid Legal/GLSA2009