LORD ABBETT RESEARCH FUND, INC.

Lord Abbett Growth Opportunities Fund

Supplement dated August 24, 2017 to the

Statement of Additional Information dated April 1, 2017

____________________________________________________________

Each change below is effective as of August 7, 2017.

1. The following paragraph replaces the applicable paragraph in the subsection titled “Investment Advisory and Other Services – Portfolio Managers” on page 5-2 of the statement of additional information (the “SAI”):

Jeffrey Rabinowitz heads Growth Opportunities Fund’s team and is primarily responsible for the day-to-day management of the Fund.

2. The following row replaces the applicable row of the corresponding table on page 5-3 of the SAI in the subsection titled “Investment Advisory and Other Services – Portfolio Managers”:

Fund	Name	Other Accounts Managed (# and Total Net Assets+)
		Registered Investment Companies	Other Pooled Investment Vehicles	Other Accounts
Growth Opportunities Fund	Jeffrey Rabinowitz1	1/$132.5	0/$0	1/$22.7
+ Total net assets are in millions. 1 These amounts shown are as of August 7, 2017.

3. The following row replaces the applicable row of the corresponding table on page 5-4 of the SAI in the subsection titled “Investment Advisory and Other Services – Holdings of Portfolio Managers”:

Fund	Name	Dollar Range of Shares in the Funds
		None	$1- $10,000	$10,001- $50,000	$50,001- $100,000	$100,001- $500,000	$500,001- $1,000,000	Over $1,000,000
Growth Opportunities Fund	Jeffrey Rabinowitz1	X
1 This amount shown is as of August 7, 2017.

Please retain this document for your future reference.