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Brian Gregory Hannemann

Sexual harassment Attorney at Upland, CA

4.2   5 reviews
  • Licensed for 30 years
    State CA
    Acquired 1993
    Active No misconduct found

We have not found any instances of professional misconduct for this lawyer.

About Brian

Learn Brian’s areas of practice.

Practice areas
  1. Sexual harassment
    Employment attorney Brian Hannemann has been aggressively representing clients with sexual harassment claims for 19 years. Whether sexual harassment from a boss or co-worker, or hostile work environment, Brian is a highly experienced, seasoned trial lawyer and has the skill necessary to obtain the justice that you deserve. Don't let the sexual predator get away with it!! Stand up and fight, call now!!

    29 years

  2. Discrimination
    Employment attorney Brian Hannemann has been aggressively representing clients like you since 1993. Discrimination in the workplace is illegal!! It takes many forms, such as disability discrimination, age, race, gender, national origin or religious discrimination. If your employer has reduced your hours, demoted you, failed to promote you, terminated you, or not hired you at all, and you believe it is because of illegal discrimination, you have a case! Don't let the employer ruin your life!

    29 years

Sexual Harassment trial attorney Brian Hannemann is a trial lawyer that wins cases in front of a jury.  His track record speaks for itself.  He was named Trial Lawyer of the Year by his peers in the Inland Empire in 2018 for his long and remarkable history of successful trial verdicts.  Brian has been representing clients since 1993 and he knows how to achieve results. Attorney Hannemann has an outstanding reputation among his colleagues as a fighter and an employee rights activist. If you have been sexually harassed at your place of employment or if you have been discriminated against, call our law firm today for a free consultation.

Contact Brian

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Hannemann Law Firm, A Professional Corporation
123 E 9th Street, Ste 302
Upland, CA, 91786


4.2 / 5.0
  5 customer reviews
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1 Star
Posted by Bianca | October 1, 2018
This review is from a person who hired this attorney.
| Hired Attorney
Brian made it simple for my success
The whole experience with Brian Hannemann was good. He helped me with every step during the process and he explained every detail which made it smooth and easy.
Posted by anonymous | November 15, 2013
Aggressive, Detail-Oriented, Strategic Genius
I am in the legal field, myself, and know a good (or bad) attorney when I meet one. I interviewed four top-tier Labor Law attorneys, referred by trusted sources, each of whom wanted my Sexual Harassment/Unlawful Discrimination/Retaliation/Wrongful Termination case. I chose Brian Hannemann because he was the most confident, qualified, understanding, and fee-justified. His phone voice, alone, told me he meant business and that he was going to put the Defendants in their deserved place, from day one. He asked questions that the other three attorneys never thought to ask, and laid out an absolutely brilliant strategy that exposed Defendants' weaknesses and used them in our favor. What I had thought was a narrow-scope case was actually a broad-scope, multi-count case with substantially more value than I had initially thought. After consulting with Brian, I researched case law and code and found that he was correct on every point discussed. Brian's confidence, professionalism, and sense of humor are reassuring during a challenging and demoralizing time. With respect to Defendants' dirty tricks, Brian has extreme confidence, hilarious one-liners, and contingency plans. He has even done his homework on each individual player! Brian's fee agreement is fair--better than the other attorneys'--and he works much harder to earn it. He doesn't nickel and dime for up-front costs; he even credits the attorney's fee award against his contingency fee (unheard of!). He doesn't have a bunch of shark partners or exorbitant overhead; he will work the case and patiently wait for the result. He is attentive and detail-oriented on a micro level, and strategizes on a macro level. He clearly loves his work and puts the client's interests ahead of his own. In person, he has a clean-cut, professional appearance and commanding presence. His materials are high-quality; his legal writing is brilliant and accurate, legally and grammatically (I'm really picky!). I will recommend Brian Hannemann ALL DAY LONG.
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Posted by Amber | May 30, 2013
Couldn't have asked for a better hero, he is my CHAMPION!
Attentive, thorough, and a brilliant strategist. Always returned my calls quickly. Very caring and personable, yet PERFECTLY aggressive at the same time. Tells you like it is, good or bad. He gives the bad guys and insurance companies an education in law! As a survivor of a sexual assault at the workplace by my own boss, the situation could not have been more horrible. Brian came in and was my champion from moment one. I've heard others complain of lawyers not returning calls, having paralegals do all the work, endless things to get more money. Brian is the exact opposite, his personal attention is unheard of and his ethics unmatched. Now I call him for referrals and advice on any legal matter I have. I really can't say enough great things about him. All I can say is Thank You Brian for being one in a million!
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Posted by anonymous | March 18, 2009
Brian G. Hannemann
Brian is best lawyer I have come across. He works hard for the best result, does not overcharge his clients, tells you like it is whether good or bad, is very approachable, answers all questions, knows the law, and he does not take any ____ from opposing counsel.
Posted by Dana | March 10, 2018
This review is from a person who hired this attorney.
| Hired Attorney
This attorney is definitely all talk and makes big promises in advance to get you to sign all the paperwork and then ignores your calls 95% of the time. I actually believed him when he said he was going to make the defendant pay big-time for all the sexual harassment that was done to me. He really didn't do much except offer me pennies and claim the defendant will file bankruptcy if I don't accept the offer... and that I will end up with nothing. I felt pressured to take such a petty low offer from that sickening defendant. I feel he got away with it pretty much, with just a slap on the hand, which I clearly told this attorney, but he didn't seem to care. I do not recommend this guy to any female, at all. He seemed to favor the other guy in the end. I definitely feel disappointed with his services.
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Response from Brian Hannemann September 21, 2018
I represented this client and achieved a tremendous result for her given the circumstances. She hired me to sue her former boss, a small business owner, for sexual harassment. Dana Turner only worked for eight days, then quit. I took her case anyway, based on Dana's representations. However, after working on the case for over a year, and spending a ton of time and money pursuing the case, the investigation revealed that there were no corroborating witnesses to any of the supposed conduct. The defendant himself steadfastly denied any conduct as the client claimed. It was a classic he said/she said scenario. Even worse, the defendant had zero assets and rented his residence. The defendant’s business was a financial wreck and losing money. The defendant’s lawyer who was not being paid either, presented a stark choice to my client: either take a small settlement paid over time, or take nothing because the defendant would file bankruptcy and that would be that. When the client was presented with this choice, she chose to take the small settlement paid out over time rather than take nothing. It was a good choice. The defendant ended up making all of the monthly payments over time, and the client was paid in full. It is upsetting to hear this disgruntled client complain after the fact. All of this was explained to the client in detail, and it was the client’s choice. It is disappointing to say the least that this client, who did get a small settlement, into the 4 figures despite the circumstances, chooses to complain about not getting rich, instead of thanking me for winning a case for her that was impossible to win. I once sued a chiropractor for sexually harassing an 18 year old office assistant. The day before I was set to ask questions of the doctor under oath at his deposition, the doctor filed bankruptcy. The sexual harassment lawsuit was stayed, and we could do nothing but await the outcome of the bankruptcy case. The bankruptcy judge found in favor of the chiropractor and discharged all of his debts, including throwing out the sexual harassment lawsuit, leaving my client with nothing, and me with a pile of bills I incurred in prosecuting my client’s case. Because of that experience, which I shared in detail to Dana, she correctly understood the significance of trying to sue a defendant with no money, no assets, and no ability to pay. She understood that spending more time and money pursuing a case where the defendant had no ability to pay was a losing proposition. She knew that if she wanted to pay the out of pocket costs to keep fighting the lawsuit, she could have done so. She knew that throwing even more money down the drain to pursue a judgment against a judgment-proof debtor was not the correct decision. She did not have to accept the settlement, it was her own personal choice. And, the choice she made to settle the lawsuit was an excellent choice indeed. Do not take this lone, disgruntled client’s story as an example. Rather, read the rest of my dozens and dozens of other clients’ glowing reviews, and compare for yourself whether this lone client is telling it accurately or not. See for yourself how this client, even though she won and got paid, is unlike all the other satisfied clients of mine. It is most unfortunate for Dana that she is disappointed in my services when her real disappointment is with the defendant who had no money or assets and could never, ever be able to make Dana rich from her case.
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  • Contingency 40%-40%


AVVO RATING 9.3 (Superb)

Work Experience

  • Attorney
  • Hannemann Law Firm, A Professional Corporation
  • 2004 - Present
  • Attorney
  • Kirtland & Packard, LLP
  • 2001 - 2004
  • Attorney
  • Morris, Polich & Purdy, LLP
  • 1995 - 2001
  • Attorney
  • Kirtland & Packard, LLP
  • 1993 - 1995
View all work experience


  • Southwestern Law School
  • JD - Juris Doctor, Magna Cum Laude
  • 1993
  • Embry-Riddle Aero Univ
  • BS - Bachelor of Science, Summa Cum Laude
  • 1989

Legal Cases

  • Case Identification Confidential
  • $600,000
  • Case Identification Confidential
  • $4,000,000
  • Case Identification Confidential
  • $950,000
View all legal cases


  • Consumer Attorneys of Inland Empire
  • Board Member
  • 2010 - Present
  • Western San Bernardino County Bar Association
  • 2004 - Present
  • American Board of Trial Advocates
  • 2001 - Present
  • State Bar of California
  • 1993 - Present
View all associations

Languages Spoken

  • English

Honors and Awards

  • William M. Shernoff Trial Lawyer of the Year
  • Consumer Attorneys of Inland Empire
  • 2018
  • Multiple Million Dollar Advocates
  • Multiple Million Dollar Advocates Forum
  • 2016
  • Million Dollar Advocate
  • Million Dollar Advocates Forum
  • 2015
  • William M. Shernoff Trial Lawyer of the Year Nominee
  • Consumer Attorneys of Inland Empire
  • 2015
  • Presidential Award of Merit
  • Consumer Attorneys of Inland Empire
  • 2012
  • William M. Shernoff Trial Lawyer of the Year Nominee
  • Consumer Attorneys of Inland Empire
  • 2011
  • Presidential Award of Merit
  • Consumer Attorneys of Inland Empire
  • 2011
View all awards

Attorney endorsements

Received (5)
Given (0)
Endorse Brian
Personal injury Attorney | Jun 05
Relationship: Fellow lawyer in community
"I endorse Brian. He is a highly skilled attorney that is well respected in the legal community."
Employment and labor Attorney | Feb 28
Relationship: Worked together on matter
"I worked with Brian years ago, and even then he was one of the sharpest and most talented lawyers that I've ever had the good fortune to work with. I highly recommend him for any civil matter."
Family Attorney | Apr 25
Relationship: Fellow lawyer in community
"Brian is a real fighter. When many attorney's may give up, Brian sticks to his commitments."
Family Attorney | Apr 20
Relationship: Fellow lawyer in community
"I endorse this lawyer. Brian is a hard-working attorney, and brings a lot of skill and experience to the firm."
Sexual harassment Attorney | Apr 20
Relationship: Fellow lawyer in community
"I endorse this lawyer. Brian is a bulldog when it comes to his cases, and a champion of personal rights. His integrity is quite admirable."
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Avvo Contributions

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Upland Sexual harassment Lawyer Brian Gregory Hannemann
Brian Gregory Hannemann
Sexual harassment Attorney
Upland, CA
Licensed for 30 years